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Python 3.6 tries to initialize with Python 2.7

MarkBinder

I am having some major Python issues. When I try to start PyCharm using the ArcGIS Pro Python environment it tries to initialize using the Python 2.7 ArcGIS 10.6 installation. Somehow my Python installations got crossed up.

I've tried uninstalling ArcGIS Pro and reinstalling it but that has no effect.

Is there any way to solve this?

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Accepted answers

MarkBinder

So I think I found the solution. In Spyder I went to 'Tools/Current user environment variables...' and cleared out the values in PYTHONPATH. That has stopped adding all of those unrelated paths and only loads the paths for each installation of Python.

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DylanHarwell

I have tried this with PyScripter, which by default has always pointed to the 2.7 python installation on any machine with ArcGIS I have ever had. And changing its Python path to the 3 installed buried way down in the Pro folder never has worked. It always resorts back to 2.7. My workaround, I write 2.7 code in PyScripter and use Spyder for 3 code. My cynical thought is it has something to do with ESRI having their hands all over everything in the python installations lol

MarkBinder

I did set the interpreter to point to the ArcGIS Pro Python environment. I think when it tries to initialize it is using the Python.exe that is in the Python27 ArcGIS 10.6.1 folder. This seems to be a deeper Python issue than the IDE settings.

LukeWebb

The short and dirty answer is, inside Pycharm / Spyder / any python IDE, there is a setting "Project Interpreter", which is pointing to a python.exe in a folder such as C:\python27\python.exe

You need to update this setting to point to a place such as:

C:\Program Files\ArcGIS\Pro\bin\Python\python.exe

MarkBinder

Right, it is using the ArcGIS Pro installation; that’s where I think the problem is because cloned environments also have the same problem. And when I try to install Spyder to a cloned environment it uses Python 2.7 packages instead of 3.6.

curtvprice

Be sure you have set up pycharm to use the ArcGIS Pro install. ArcGIS Pro uses Conda, so you can link it directly to its Conda environment.

This doesn't happen automatically, you need to configure it which Python exe to use.

Can ArcGIS Pro integrate with JetBrains Pycharm‌

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