We Keep Coding

Import package doesn't work in venv, when executing with python.exe

I'm installing package whl with pip in virtual enviorment.
PS C:\Users\Project> .\venv37\Scripts\activate
(venv37) PS C:\Users\Project> pip install .\vtk-9.0.1-cp37-cp37m-win_amd64.whl
Processing c:\users\project\vtk-9.0.1-cp37-cp37m-win_amd64.whl
Installing collected packages: vtk
Successfully installed vtk-9.0.1
and import works.
(venv37) PS C:\Users\Project> python
Python 3.7.4 (default, Aug 9 2019, 18:34:13) [MSC v.1915 64 bit (AMD64)] :: Anaconda, Inc. on win32
Warning:
This Python interpreter is in a conda environment, but the environment has
not been activated. Libraries may fail to load. To activate this environment
please see https://conda.io/activation
Type "help", "copyright", "credits" or "license" for more information.
>>> import vtk
>>> exit()
(venv37) PS C:\Users\Project> deactivate
Now I try to execute it from Python Interpreter in venv.
PS C:\Users\Project> .\venv37\Scripts\activate
(venv37) PS C:\Users\Project> .\venv37\Scripts\python.exe
Python 3.7.8 (tags/v3.7.8:4b47a5b6ba, Jun 28 2020, 08:53:46) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import vtk
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'vtk'
>>>
And it doesn't work. What is my mistake?

Tensorflow importing crashes Python without any error on Windows

Yesterday I was trying to solve matplotlib problems on Windows, which included solving from matplotlib import ft2font error. I have added HDF5_DISABLE_VERSION_CHECK=2 for that. But today I found, that tensorflow doesn't work anymore:
> python
Python 3.5.5 |Anaconda, Inc.| (default, Apr 7 2018, 04:52:34) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import tensorflow as tf
>
It thinks 30 seconds, then exits Python without any error.
Where can I see logs or crashdumps or something?

If you try import h5py, and get ImportError: DLL load failed, you probably have some problem as mine. Try:
Uninstall h5py via anaconda navigator, some relative libs (tensorflow) will be uninstalled as well.
Go VM path in anaconda installation, D:\Anaconda\envs\YOUR_VM\Lib\site-packages, delete h5py and h5py-2.8.0-py3.6.egg-info folders
Reinstall tensorflow or tensorflow-gpu

Tensorflow: No module named tensorflow.python

When importing keras into Spyder, I am receiving an error message
ModuleNotFoundError: No module named 'tensorflow.python'
I followed the instruction on Tensorflow page to install it, however it is not working. When importing Tensorflow only, I do not have any error message.
Details about my versions:
Python 3.6.1 |Anaconda custom (64-bit)| (default, May 11 2017, 13:25:24) [MSC v.1900 64 bit (AMD64)]
Type "copyright", "credits" or "license" for more information.
IPython 5.3.0 -- An enhanced Interactive Python.
Thank you for any suggestions!

If I change the folder, why is the "ModuleNotFouldError" happened?

My environment is Windows10, and I installed python3.6, tensorflow, and anaconda.
There is no error in the installation.
If I run the "command prompt" (not use anaconda), I can success to run tensorflow.
However, if I use anaconda, a problem is coming.
1st: If I run anaconda prompt and import tensorflow by python, no problem.
2nd: If I change the folder and import tensorflow, the error message "ModuleNotFouldError" is coming.
Why I change the path, I cannot import a module?
History is below.
(c:\Users\**Username**\Anaconda3) c:\Users\**Username**\>python
Python 3.6.0 |Anaconda 4.3.0 (64-bit)| (default, Dec 23 2016, 11:57:41) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits", or "license" for more information
>>>import tensorflow
>>>exit()
(c:\Users\**Username**\Anaconda3) c:\Users\**Username**\>cd workspace
(c:\Users\**Username**\Anaconda3) c:\Users\**Username**\workspace>python
Python 3.6.0 |Anaconda 4.3.0 (64-bit)| (default, Dec 23 2016, 11:57:41) [MSC 1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits", or "license" for more information
>>>import tensorflow
Trackback (most recent call last):
File "", line 1, in
ModuleNotFoundError: No module named 'tensorflow'

Global Python package

so I have this package. In the cmd I go to hp#HP-PC C:\Users\hp\Documents\scripts:
hp#HP-PC C:\Users\hp\Documents\scripts
> python
Python 3.5.2 |Anaconda 4.1.1 (64-bit)| (default, Jul 5 2016, 11:41:13) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import toolzz.printer as t
>>> t.printz()
5
Everything is working fine but I want to have a directory in which I could add my scripts and be able to open my cmd->python->import my package and do whatever I am going to do and not get this instead:
hp#HP-PC C:\Users\hp
> python
Python 3.5.2 |Anaconda 4.1.1 (64-bit)| (default, Jul 5 2016, 11:41:13) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import toolzz
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named 'toolzz'
>>>
PS: keep in mind I have added the directory scripts to the path and I have global bat files which work

Run
python -m site
It'll list 2 important pieces of information:
The Python module search path, sys.path
The location for the USER_SITE directory, and wether or not this exists.
Python looks for modules along those locations. Put your module in a sys.path location (in one that ends in site-packages preferably), or make sure you created the USER_SITE directory and put your code in there.
And you can always extend the path by setting the PYTHONPATH environment variable.