- #DOWNGRADE PYTHON TO 2.7.9 INSTALL#
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- #DOWNGRADE PYTHON TO 2.7.9 WINDOWS#
Version 2.x and 3.x happily live together - that is no problem.īut the versions in /usr/bin and /usr/local/bin will give you problems: I suggest you remove the pythons installed with apt-get and keep yours in /usr/local/bin. You would have to be careful with pip too.
I don't recommend having two similar pythons on your system, it will probably be difficult to know whether a package is installed into either or the site-packages.
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When you install a new python by yourself it goes to /usr/local/bin.
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To upgrade their versions, Ubuntu should release new packages for them. The version 2.7 and 3.4 are your distribution official pythons. Is it 'okay' to have two installations of the same version (3.4.3) of python in my system ? What do you think actually happened that upgraded the 3.4.0 to a 3.4.3 ? Instead it made a new installation in '/usr/local/bin' ? Why building the 3.4.3 didn't upgrade the existing 3.4.0, but So I'm not able to retrace what I actually did. This happened while i was experimenting with PIP. (that means, at a certain point i was able to run the tree versions of python at the same time)īut now, the 3.4.0 version has become a 3.4.3, now i have a 2.7 and two 3.4.3 (one in '/usr/bin' and the other in '/usr/local/bin') Multiple versions of Python in Ubuntu In Ubuntu, I used to have (two hours ago) three versions of python :Ģ.7 and 3.4.0 installed by default in 'usr/bin'ģ.4.3 that I built manually from the official source-code, which I found was in 'usr/local/bin'
#DOWNGRADE PYTHON TO 2.7.9 WINDOWS#
Note that pyenv is a unix tool, would work on Mac/Linux but probably won't work on windows # The line above creates a virtualenv Using the newly installed python Virtualenv -p ~/.pyenv/versions/2.6.6/bin/python Pip install virtualenv # might need sudo, also might be preinstalled in 3.6 not sure To use your newly installed python version you better use virtualenv
Self described as "pyenv lets you easily switch between multiple versions of Python" I use it quite a lot, so projects virutalenvs would be using the correct python version as running in the server (And I support quite a few legacy python installations) I have Python 2.7.13 and when I use the modules I need it shows a Bad Magic number error.
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I tried to download it from the python site but when I try to install it, it says there's nothing to install. If you have any questions, please ask a question.Is there a way to install python 2.6.6 along side of 3.6? I have python 3.6 installed and I need to have installed python 2.6.X for some modules I need in this course at mitopencourseware. You should now have a GPU-enabled version of TensorFlow installed. (C: \ Users \ username \ AppData \ Roaming \ Microsoft \ Windows \ Start Menu \ Programs \ Anaconda3 (64-bit)) If the location of Anaconda Prompt is the default
You should now be able to downgrade your Python version from 3.6 to 3.5.2. Launch Anaconda Prompt and type ** conda install python = 3.5.2 ** to run it. Here we downgrade Python3.6 to Python3.5.2, which is supported by TensorFlow. (If you have already installed it, you can skip it.)Īs for the installer, all you have to do is follow the instructions. This article is easy to understand about this, so please take a look here. We will proceed for PCs with NVIDIA graphics boards in a Windows environment. I myself couldn't download the GPU-compatible version of TensorFlow and struggled quite a bit, but it has been resolved so I'll write it here for those with similar concerns. ・ It seems that it is better to create a virtual environment with createconda of Anaconda.