Hi,
I have QGIS 3.18 installed on Windows 10. It includes Python 3.7.2. I
need to use a newer version of Python for programming projects. I tried
to work with 3.7.2, but packages like numpy use old versions that don't
work with newer versions of Python. I tried installing Python 3.9.5. I
used the version available from python.org:
https://www.python.org/downloads/windows/
I changed some environment variables, specifically anything in PATH that
would call 3.7.2 when I call Python3 on a cmd prompt. After that, I
still get this message:
Error processing line 1 of
C:\OSGeo4W64\apps\Python37\lib\site-packages\matplotlib-3.1.3-py3.7-nspkg.pth:
Traceback (most recent call last):
File "C:\OSGeo4W64\apps\Python37\lib\site.py", line 168, in
addpackage
exec(line)
File "<string>", line 1, in <module>
File "C:\OSGeo4W64\apps\Python37\lib\importlib\__init__.py",
line 51, in <module>
_w_long = _bootstrap_external._w_long
AttributeError: module 'importlib._bootstrap_external' has no
attribute '_w_long'
whether I use "pipenv" or "py -3.9" ("python launcher") in any directory
or for different users on the computer. If I call "python3" on the
command line, a Bing window opens on the Microsoft Store with Python 3.9
ready to download. To be clear, I haven't gotten as far as calling
"import matplotlib".
Since the error references OSGeo4W64, and QGIS is my primary software I
have installed from that source (I also have GRASS, but don't really use
it), I was wondering if someone here can point to an environment
variable that isn't obvious that I should change to call 3.9.5 without
any issues?
Cheers,
John
--
Enlightenment is ego's ultimate disappointment.
-Chogyam Trungpa
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