Windows users: If installing Python 3. Once you enter the above command then your Apple TV 2 will restart. python -m pip install –upgrade pip TO INSTALL PYTHON PANDAS Python shell must be installed in your System. The Tkinter toolkit comes with all the basic widgets to create graphical applications. Once installed, you can download, install and uninstall any compliant Python software product with a single command. Learn Python GUI programming with Tkinter as you develop 9+ real programs from scratch. A traditional GUI (tkinter, QT, wxWindows etc) would require a lot of code to show this UI. This means that Python will only run on a single thread naturally. (2 replies) I'm trying to create a complex cursor in Tkinter. org now include everything you need to use Tk out of the box. 7 既然来看肯定是import不成功的,这里介绍一个很简单方法: ~$ sudo apt-get install python-tk 就可以了,截图如下: 再次>>>import Tkinter就成功了。. It provides a robust and platform independent windowing toolkit, that is available to Python programmers using the tkinter package, and its extension, the tkinter. If you want some more Tkinter project ideas and tutorials, I’ve written an article on 8 Fun Python Tkinter Project Ideas. It is productive, easy to maintain, performs decently well, and is far, far more "cross-platform" than other methods. Creating a GUI application using Tkinter is an easy task. 2 near the top of the. This section covers how to install pip, setuptools, and wheel using Linux package managers. Try using the following command which will work for all debian derived distributions : [code]apt-get. How to Install Python. 7 will install at C:\Python27\ , so that you can have multiple versions of Python on the. Probably one of the largest drawbacks to the Python programming languages is that it is single-threaded. Available for 32 bit and 64 bit versions. If you have a large computational task, you might have already found that it takes Python a very long time to reach a solution. My Idleがエラーを投げていて、tkinterをインポートできないと言います。 pipまたはeasy_install経由でtkinterをインストールする簡単な方法はありますか?. Learn about installing packages. Install tkinter using your distribution's package manager, e. 之后pip install python-tk 仍然找不到适合版本, 再来pip install tkinter 还是找不到适合版本, 然后我怀着期待的心情用easy_install 试了一次,结果还是让我失望了。-_-! 之后去stackoverflow看了一下 ,只需要apt install python-tk就行了。. for python 2 versions you can install it by pip install tkinter. 0 as a non-privileged user, you may need to escalate to administrator privileges to install an update to your C runtime libraries. Tk is the original GUI library for the Tcl language. Tkinter is not the only GuiProgramming toolkit for Python. The IDLE IDE (which is included with the Raspbian image) not only supports Tkinter but is itself a Tkinter app. All you need to do is perform the following steps −. We'd suggest making use of virtualenv for this in order to avoid needing to use the default Python or Jython installation. The language is mostly the same, but many details, especially how built-in objects like dictionaries and strings work, have changed considerably, and a lot of deprecated features have finally been removed. Is this problem easy to fix? It's preventing pysol from running properly. In this tutorial, you will learn the basics of GUI programming in wxPython. Tkinter is a GUI library built on top of tcl/Tk, it also happens to be included in Python's standard library and so very convenient. For the python linbrary using easy_install or pip should work well but for matplotlib might require more packages such as python headers for compiling the extension. If you want to experiment with xlrd, the easiest way to install it is to do the following in a virtualenv:. I do have to. This filebrowser supports new directory creation and filtype filtering. Running the Programs To run PP4E book examples on your Android device, follow these steps: Install the Pydroid 3 app if needed from the Play Store. Python when combined with Tkinter provides a fast and easy way to create GUI applications. Tkinter overwhelms a lot of people, and it doesn't have to! If you understand just a few basic concepts, and how Tkinter works , you'll see that Tkinter is easy to use. Swampy: Installation Instructions If you have Python and Tkinter, you can install Swampy from the Python Package Index. Fedora Core 6, and lately I need to install the software package for continuation techniques, AUTO 2000. Tkinter Features. Jack Wallen shows you how to install True Type fonts on your Fedora or Ubuntu Linux machine and how to make key applications (such as OpenOffice and Scribus) aware of those fonts. your password. Compare this with the following program that does the same exact thing but requires using Tkinter for all calls to the module. Linux (Ubuntu) での Tkinter のインストール. Before you can use Django, you’ll need to get it installed. It is intentional that neither the Tk themed widget set (ttk) module nor an Object Oriented approach is used. In modern Tcl/Tk, tkinter is simple, powerful, and fast. These extensions are nearly as easy for TkInter programmers to use. Tkinter is a GUI library built on top of tcl/Tk, it also happens to be included in Python's standard library and so very convenient. wxPython and wxFormBuilder 1. Tkinter is ranked 3rd while PySimpleGUI is ranked 6th. x; Install Tkinter: For Fedora; sudo yum install python3-tkinter tk-devel For Ubuntu; sudo apt-get install python3-tk Other modules realted to tkinter on pypi; Install Jupyter: pip install jupyter. Intro to programming with Python in Tkinter. Using Puppy Package Manager under the category System install python_plus-2. 7, the ultimate Python version (july 2018, now). My Idle is throwing errors that and says tkinter can't be imported. You just saw how to import a CSV file into Python using pandas. PyOpenGL; PyOpenGL. It isn't easy to install Tkinter locally to use with system-provided Python. Python Training Overview. TKinter comes with Python already, so there's nothing to install!. Getting Tkinter Installed and Working • Tkinter is not necessarily turned on by default on your system. This is probably the easiest to install (since it comes included with most binary distributions of Python) and use. Python - Tkinter Canvas - The Canvas is a rectangular area intended for drawing pictures or other complex layouts. Both Tk and Tkinter are available on most Unix platforms, as well as on Windows and Macintosh systems. The constructor takes either a PIL image, or a mode and a size. 7並且無法apt-get 。 謝謝。. I can build it as a vector image, but I use ovals. To do this on Python 2. Before diving in to Tkinter and connecting hardware, you’ll need to install and configure a few pieces of software. I'm not a python user so I passed on approving the edit, but someone suggested from ttk import should be from Tkinter. 7 tkinter Как сделать pip или easy_install tkinter Мой Idle бросает ошибки, и говорит, что tkinter не может быть импортирован. Python for Kids brings Python to life and brings you (and your parents) into the world of programming. Installing Flake8 is pretty easy when you use pip. pyzo tkinter Gratuit Télécharger logiciels à UpdateStar - Tkinter is Python's de facto standard GUI (Graphical User Interface) package. All GUI interactions are invoked by simple function calls that return results. Inside this tutorial, I detailed what Tkinter is, how to install it, and how to write a simple Tkinter GUI application that can display images loaded via OpenCV. I have gotten it 90% working as far as I can tell, but I can't seem to get everything to refresh itself after you answer a question. For example, I have tk 8. In some cases, this might not be the most user-friendly arrangement (for example, the dialogs for getting directory and filenames ignore the message argument), but I felt that keeping this consistent across all widgets was a consideration that is more important. Brondell FreshSpa Easy Bidet Toilet Seat Attachment in White is rated 4. eval('foo_bar') will load and execute foo_bar. Easy Client Management Using Python is a simple and easy to use Management System. On the other hand, a master craftsman can build just about anything he/she wants with Tkinter. Kivy is a community project, led by professional software developers. Welcome to Pygubu! Pygubu is a RAD tool to enable quick and easy development of user interfaces for the Python's tkinter module. It’s very easy to use the PIL / Pillow module in Python. The next step is to use Flake8 on your code base. At this point in time, it will often be easier for users to install these packages by other means rather than attempting to install them with pip. Otherwise, to use the package manager in Ubuntu/Debian based distributions you can issue the command:. In either case, you will also need to install the PySerial library to allow communication with the Arduino. How-To for Windows: 2 versions of Python + installing easy_install, pip and virtualenv Multiple Python Installations using Virtual Environments on Window An Instruction Manual for Installing Python. - Hi, I'm Barron Stone and welcome to Python GUI Development with Tkinter. This installs a package that can be used from Python (import serial). 3, but the procedure is the same for any modern version of Python. These solutions are cross platform (Windows, Mac, Linux). Tkinter is the wrapper around popular Tcl/Tk for python usersFrom python 2. In this tutorial, we will learn how to develop graphical user interfaces by writing some Python GUI examples using Tkinter package. Nhàn rỗi của tôi là phát ra lỗi và không thể nhập tkinter. Get Started With Raspberry Pi GUI: So you have a Raspberry Pi and a cool idea, but how do you make it as easy as a smartphone for your user to interact with?Building a Graphical User Interface (GUI) is actually quite easy, and with some patience you can produce amazing projects. Beautifully simple, Amazingly easy, Massive selection of apps. When the button is pressed, Tkinter automatically calls that function or method. Tkinter is the standard GUI library for Python. wxPython and wxFormBuilder 1. In this case pip install will install packages to a path inaccessible to the python executable. This package is actually called “python-dateutil” so we need to use that name instead with easy_install. >>pip install -U pypiwin32 at the command prompt. Almost every app has a main menu. Learn how to develop GUI applications using Python Tkinter package, In this tutorial, you'll learn how to create graphical interfaces by writing Python GUI examples, you'll learn how to create a label, button, entry class, combobox, check button, radio button, scrolled text, messagebox, spinbox, file dialog and more. I do have to. Also, it is compatible with Python. How to install Kodi on Apple TV 1 (First Generation):. 4 32 bit , I got it resolved by downloading same version from python. No hardware required. But don’t worry, I was there not too long ago, and now I’ll try explain as thoroughly as I can how to install it and start using it. Python program to bind a function to Tkinter button. Read unlimited* books and audiobooks on the web, iPad, iPhone and Android. If you need help installing Swampy, Tkinter or Python, see the detailed instructions below. It is aimed at relative beginners and uses Python 2. The looping simplifies the complex problems into the easy ones. All GUI interactions are invoked by simple function calls that return results. - Hi, I'm Barron Stone and welcome to Python GUI Development with Tkinter. The Solution It turns out that it is quite a task to add a colour to words in a text widget in Tkinter. I will use just a few, and if you get the basics with these, it’s really easy to go out there and test others by yourself. Python provides a easy-to-use library called Tkinter that allows the user to make GUIs. So we don't have to install it. It provides a robust and platform independent windowing toolkit, that is available to Python programmers using the tkinter package, and its extension, the tkinter. Since this book teaches by example, let's get right into setting up a flask server. Tkinter GUI framework is built for beginners and professionals. If you have a large computational task, you might have already found that it takes Python a very long time to reach a solution. How do I install the latest Python 2. There is a slight difference between Tkinter for Python 2. Highlighting variable occurrences reminds you that the same name doesn't always mean the same variable and helps spotting typos. When the. When we install Python on Windows, the Tkinter also come with it. So to make things easier for Python'. 2015-09-17. It’s very easy to use the PIL / Pillow module in Python. You may build it from sources, but this is usually not the best idea with a binary package-based distro you're apparently running. Note: This page was originally created specifically for VSFX 705 Spring 2013. First published in 1991 with a name inspired by the British comedy group Monty Python, the development team wanted to make Python a language that was fun to use. View on GitHub Create Tkinter GUIs from JSON definition files. I would recommend Tkinter, it is the standard GUI library for Python, and as a result is already installed. ttk widgets use style to define their appearance. Firefox ESR does not come with the latest features but it has the latest security and stability fixes. python -m Tkinter should work! There is no need to install tkinter, because it should be included in python3. For some more on the "what" and "why" of this site, have a peek at the about. In my project i need the module TkInter. In our tutorial, we instruct on how to install this package manager onto your CentOS 7 server. How to pip or easy_install tkinter on Windows. 5 but I'm not finding the docs really easy to find specific answers from. You can … Continue reading Python 101: Reading and Writing CSV Files →. Python is easy to learn yet powerful and versatile scripting language, which makes it attractive for Application Development. Packages installs the packages default under site-packages. Tkinter: simple and easy. Be cautious if you are using a Python install that is managed by your operating system or another package manager. Any modification in the collection also update the combo or listbox … and this way it’s very easy to work against databases. Tkinter comboboxes. is a frontend to pip3 to make it easier to configure python modules through the PIP package manager. Alternatively, you can use the file or data options to initialize the photo image object. Basic Data Types: Hello, World! Simple Numeric Computation: Strings I: Strings II. if the button is pressed by mouse click some action might be started. Idle-ul meu aruncă erori și tkinter nu poate fi importat. Also, it is compatible with Python. Tkinter is the easiest way to write your GUI program in Python. So we don't have to install it. It doesn’t require you to know event-driven programming to write basic GUI applications because it’s based on Python functions. Importing tkinter will automatically import tkinter. Thus, if you install EasyInstall for both Python 3. Step 4 Install. That's the whole point of providing >> it as a separate package: only those who want to use it have to install it. EasyGui provides an easy-to-use interface for simple GUI interaction with a user. Installing PIL/Pillow/cImage for Python on Windows and Mac Install Python 3. The output includes the word “Worker” printed five times, although it may not be entirely clean depending on the order of execution. 9 and later (on the python2 series), and Python 3. Install ordereddict (Python 2. Setuptools also supplies easy_install as a runnable module which may be invoked using python -m easy_install for any Python with Setuptools installed. The tkinter module is a wrapper around tk, which is a wrapper around tcl, which is what is used to create windows and graphical user interfaces. 0 was proposed and supported by Raspberry Pi Foundation. PyInstaller’s main advantages over similar tools are that PyInstaller works with Python 2. Your browser doesn't seem to support Javascript!. It is not very easy to install Tkinter locally to use with system-provided Python. It does not require the programmer to know anything about tkinter, frames, widgets, callbacks or lambda. If you are using Windows, then you will need to install it. the steps are so simple and easy and now enjoy Kodi on Apple TV 2 (Second Generation). Install tkinter using your distribution's package manager, e. Installing PIL/Pillow/cImage for Python on Windows and Mac Install Python 3. Tkinter is the standard GUI library for Python. If you already have installed Python, you may use IDLE which is the integrated IDE that is shipped with Python, this IDE is written using Tkinter. Development of several features in Thonny 3. However, installing numpy & scipy through the Ubuntu repository is as easy as $ sudo apt-get install python-numpy python-scipy. I also have LEDs on the breadboard which do exactly the same thing. For more info about Tk, including pointers to the source, see the Tcl/Tk home page. tix and the tkinter. Related course Tkinter GUI Application Development Projects. Python Tkinter Introduction. 7 is scheduled to be the last major version in the 2. Nhàn rỗi của tôi là phát ra lỗi và không thể nhập tkinter. 私のアイドルがエラーを投げて、 tkinter をインポートできないと言います。 pip または easy_install 経由で tkinter をインストールする簡単な方法はありますか?. EasyGui provides an easy-to-use interface for simple GUI interaction with a user. TKinter: Tkinter is a GUI based library of Python Tk. 我的閒置是拋出錯誤,並說tkinter無法導入。 有沒有一種簡單的方法通過pip或easy_install安裝easy_install ? 似乎有很多包裹名稱飛來飛去 tkinter-pypy這種和其他各種變化都不起作用。 pip install python-tk 我在Windows上使用Python 2. >> >> No one actually has to install tkinter. org/en/latest/ See also: http. We can start by importing Tkinter. Later in the tutorial, we'll show how to control various pieces of hardware from a Tkinter GUI and then how to pull a Matplotlib graph into an interface. 7 既然来看肯定是import不成功的,这里介绍一个很简单方法: ~$ sudo apt-get install python-tk 就可以了,截图如下: 再次>>>import Tkinter就成功了。. Tkinter package is shipped with Python as a standard package, so we don't need to install anything to use it. The main difference is in the ease of use and supported file formats. Sphinx is a tool that makes it easy to create intelligent and beautiful documentation, written by Georg Brandl and licensed under the BSD license. First published in 1991 with a name inspired by the British comedy group Monty Python, the development team wanted to make Python a language that was fun to use. Install tkinter using your distribution's package manager, e. Description. But for this message automation task it is better than tkinter. Tkinter provides a powerful object-oriented interface to the Tk GUI toolkit. There is a slight difference between Tkinter for Python 2. My Idle is throwing errors that and says tkinter can't be imported. I wrote simple code that runs GUI with few Checkboxes. Just ask your end-user to install Python, then download your package which includes the tkform library with your Python command-line utility. This tutorial will quickly get you up and running with the latest Tk from Tcl, Ruby, Perl or Python on Mac, Windows or Linux. Python when combined with Tkinter provides a fast and easy way to create GUI applications. 0 was proposed and supported by Raspberry Pi Foundation. Where possible, we will be using tkinter. 1 is broken with respect to tkinter. is a frontend to pip3 to make it easier to configure python modules through the PIP package manager. The same for sdl2, tkinter and pygame. I used to install it on Windows by downloading the binary release for windows with python (but it only goes up to Python 2. One thing to be aware of, though, is that depending on whether you are using Python 2. We're now stocking a very fancy Official Raspberry Pi cable with overmolding and a Pi logo. Its pretty easy! In this series I'll show you how to create graphical user interfaces for Python with Tkinter. wxPython tutorial. Như ví dụ của bạn cho thấy, chỉ mất 5 hoặc 6 dòng mã để làm cho nó hoạt động - tùy thuộc vào cách bạn đếm dòng. If you are an XFCE user, this application can also replace the display from the bottom panel which is similar to the dock application. To run Ruby on Windows, you have to install Ruby and several developer tools. A button is a widget which is designed for the user to interact with, i. It has led us to pioneer new products, set higher standards for our entire industry and, ultimately, become America’s premier window manufacturer. Updated on March 29 2013 Updated on Sept 2 2018. One easy way to install the Pmw directory in the site-packages directory of your installation is to use the setup. Sphinx is a tool that makes it easy to create intelligent and beautiful documentation, written by Georg Brandl and licensed under the BSD license. , under "RPM search," I select the default setting "Channels relevant to your systems"). Is there a simple way to install tkinter via pip or easy_install? There seem to be a lot of package names flying around for this. [Tkinter-discuss] Removing/disabling a resizable window's maximize button under Windows [Tkinter-discuss] Possible to stack frames with frame transparency? (create widget w/gradient background) [Tkinter-discuss] Python Tkinter Simple Qn Image Processing in Python With Pillow ('new_image. To make a window with tkinter is very easy. Tkinter Programming. All the module names now conform to the style guide for Python code, PEP 8, and several modules have been merged. Upon starting auto, I get a message saying that plotting tools have been disabled , because TkInter was not enabled during python installation. 4 (with Tcl/Tk 8. This website is all about wxPython, the cross-platform GUI toolkit for the Python language. Tkinter Tkinter is a python GUI programming toolkit Tkinter is included with python and is the most commonly used python GUI programming toolkit. 7 is already installed by default) sudo easy_install pip;. Really, you can use anything that can output to serial. >> >> No one actually has to install tkinter. This is complete solution for Add Update delete and serach Client in Database Mysql giving some good service to Management your clients. 4 depending on CentOS distribution) and without breaking critical system tools such a. pyzo tkinter Gratuit Télécharger logiciels à UpdateStar - Tkinter is Python's de facto standard GUI (Graphical User Interface) package. When we install Python on Windows, the Tkinter also come with it. Add an '-i' interactive option to your utility to trigger the GUI. If installing Python 3. Next you need PyQt5, which installation varies by operation system. The ever-patient Jason R. I want to start making GUIs but I can't seem to import Tkinter. It is easy to learn and can be used to do a lot of things both big and small Install Python 3. Here we choose Tkinter because it provides a very quick and easy way to create basic GUI applications. Creating a GUI application using Tkinter is an easy task. It's the most commonly used method because of how easy it is to use. This filebrowser supports new directory creation and filtype filtering. With Tkinter you've got the nuts and bolts and lumber to do the job but you sometimes have to do more work. Create the GUI application main window. あるいは次のようにしても同様です。. When we install Python on Windows, the Tkinter also come with it. 之后pip install python-tk 仍然找不到适合版本, 再来pip install tkinter 还是找不到适合版本, 然后我怀着期待的心情用easy_install 试了一次,结果还是让我失望了。-_-! 之后去stackoverflow看了一下 ,只需要apt install python-tk就行了。. Both Tk and Tkinter are available on most Unix platforms, as well as on Windows systems. It makes more easy to create tests for Tkinter. Below are unofficial tutorials and guides. Adding an event to a Tkinter button is quite easy. How to Install Blinds. It is sometimes called "one of the minor traditions of the Python world". Just check the box that tells you to do so. For creating graphic user interface (GUI) on Python we need to use Tkinter library. For the next version, I will try adding oops concepts Custom parser for input Here's the code #!/usr/bin/env python3. I would recommend Tkinter, it is the standard GUI library for Python, and as a result is already installed. Before diving in to Tkinter and connecting hardware, you'll need to install and configure a few pieces of software. Cloud9 supports easyInstall. Python when combined with Tkinter provides a fast and easy way to create GUI applications. 7, the binary installers available at python. GUI Programming Python Tkinter - Free download as PDF File (. Images can be shown with tkinter. 6) showed no problem. The screenshot below demonstrates a Tkinter based menu: Tkinter menu. 1 Easy Installation For some popular operating systems we provide an easy way to install Gato and CATBox. I do not have admin rights on my machine and I am trying to build Python directly from source code. If you're using python 3. Have you ever wanted to know how your application is programmed on the computer. Tkinter is the standard GUI(Graphical User Interface) library for Python. Whilst we focus like a shark-lazer on pygame 2, here is a bonus pygame 1. When we install Python on Windows, the Tkinter also come with it. Its pretty easy! In this series I'll show you how to create graphical user interfaces for Python with Tkinter. Brushes are, at their most basic, stamps of a shape that you can drag around your image. So it's a good idea to learn Python if you want to use Tkinter. I have gotten it 90% working as far as I can tell, but I can't seem to get everything to refresh itself after you answer a question. Tkinter is a Python binding to the Tk GUI toolkit. We do not recommend using easy_install either. To make a window with tkinter is very easy. Tkinter overwhelms a lot of people, and it doesn't have to! If you understand just a few basic concepts, and how Tkinter works , you'll see that Tkinter is easy to use. Check it out! My motivation for creating this article was to show you how easy it is to create apps and software, especially with Python. Updated on March 29 2013 Updated on Sept 2 2018. Before diving in to Tkinter and connecting hardware, you’ll need to install and configure a few pieces of software. com There is an extension to Pmw (Mega widgts, which themselves are extensions to Tkinter) called BLT, these work quite fine and are very well documented. 16, is currently available. Install Firefox Extended Support Release. , under "RPM search," I select the default setting "Channels relevant to your systems"). 3) without breaking the system's default 2. I've been learning programming using a book about Python for a few months. That's the whole point of providing it as a separate package: only those who want to use it have to install it. 6 as a non-privileged user, you may need to escalate to administrator privileges to install an update to your C runtime libraries. Fedora Core 6, and lately I need to install the software package for continuation techniques, AUTO 2000. PyAutoGUI and Pillow are the two python library which are used to take screenshot in python. My Idleがエラーを投げていて、tkinterをインポートできないと言います。 pipまたはeasy_install経由でtkinterをインストールする簡単な方法はありますか?. We will learn to setup OpenCV-Python in your Windows system. Finally, PySimpleGUI levitation the python programming language Build intelligent methods. So we will see how to install tkinter with Pycharm. However, I like that with the homebrew install; they can find each other. Is this problem easy to fix? It's preventing pysol from running properly. - Pip package manager and a custom repository for prebuilt wheel packages for enhanced scientific libraries, such as numpy, scipy, matplotlib, scikit-learn and jupyter. Prerequisite For Python Calculator. To run the following commands, you must log into your server via SSH with your Shell user. The Python standard library has been reorganized in Python 3 to be more consistent and easier to use. Most of the Tkinter widgets are given here. Importing Library. Installation. These two things caused this to become quite the challenge. It was originally created for the Python documentation, and it has excellent facilities for the documentation of software projects in a range of languages. Hence you can use this package without installing any additional modules. All you need to do is perform the following steps −. CameronLaird calls the yearly decision to keep TkInter "one of the minor traditions of the Python world. All GUI interactions are invoked by simple function calls that return results. Therefore, there was nothing extra to do in order to use Tkinter. It is intentional that neither the Tk themed widget set (ttk) module nor an Object Oriented approach is used. You may build it from sources, but this is usually not the best idea with a binary package-based distro you're apparently running. You simply import Tkinter , create, configure, and position the widgets you want, and then enter the Tkinter main loop. These instructions are a work in progress; if you have suggestions for improvement, let me know. How easy is it to do a cross-platform interface in tkinter? I really dislike working with html/css, so ditching flask/web browser interfaces for small "click, browse for a file, click" interfaces in tkinter would be great. constants, so, usually, to use Tkinter all you need is a simple import statement:. Both Tk and Tkinter are available on most Unix platforms, as well as on Windows systems. It may also work with a Qt installation built from source but this is unsupported. Firefox Extended Support Release (ESR) is an official version of Firefox developed for large organizations like universities and businesses. See the Installation Instructions in the Python Packaging User's Guide for instructions on installing, upgrading, and uninstalling Setuptools.