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No module found error for a downloaded package (sksparse.cholmod) and how to download a package from the internet to conda

I need to use the sksparse.chomod package however my pycharm does not let me install it as it can't seem to find it.
I found the sksparse package on github and downloaded it but I do not know how to add a package downloaded from the internet into a conda environment. So, my first question would be can you download a package from github and add it to your conda environment, and how do you do this?
As I did not know how to do the above I instead saved the package within my project and thought I could simply import sksparse.cholmod. However, the line in my code that says import sksparse.cholmod as sks has no errors with it, so I assumed that meant this was ok, but when I try to run my file I get this error:
import sksparse.cholmod as sks
ModuleNotFoundError: No module named 'sksparse.cholmod'
If I have downloaded the package into my project why can't it be found, yet there are no errors when importing?
The cholmod file is a pyx file which I've been told should not be a problem.
Please could anyone help, I am reasonably new to python and I am looking for a straight forward solution that won't be time consuming.

It was an issue with windows, I was able to fix this using the instructions on this link
https://github.com/EmJay276/scikit-sparse
We must follow these steps precisely:
(This was tested with a Anaconda 3 installation and Python 3.7)
Install these requirements in order:
'''
conda install -c conda-forge numpy - tested with v1.19.1
conda install -c anaconda scipy - tested with v1.5.0
conda install -c conda-forge cython - tested with v0.29.21
conda install -c conda-forge suitesparse - tested with v5.4.0
'''
Download Microsoft Build Tools for C++ from https://visualstudio.microsoft.com/de/visual-cpp-build-tools/ (tested with 2019, should work with 2015 or newer)
Install Visual Studio Build Tools
Choose Workloads
Check "C++ Buildtools"
Keep standard settings
Run ''' pip install git+https://github.com/EmJay276/scikit-sparse '''
Test ''' from sksparse.cholmod import cholesky '''
Use all the versions stated for numpy etc, however with scipy I installed the latest version and it worked fine.

GLIBC_2.33 not found in raspberry pi python

Error Trace:
ImportError: /lib/arm-linux-gnueabihf/libc.so.6: version `GLIBC_2.33' not found (required by /home/pi/.local/lib/python3.7/site-packages/grpc/_cython/cygrpc.cpython-37m-arm-linux-gnueabihf.so)
Scenario:
I'm using google cloud vision api to detect text in images. The program works fine on laptop but gives the above mentioned error when ran in raspberry pi. I've searched a lot but couldn't find any working solution. I'd really appreciate if any one could let me know how to solve this.

Uninstalling grpcio and grpcio-status (mine had version 1.46.3 installed for both) and installing version 1.44.0 solved it for me:
pip uninstall grpcio
pip uninstall grpcio-status
pip install grpcio==1.44.0 --no-binary=grpcio
pip install grpcio-tools==1.44.0 --no-binary=grpcio-tools
You can check your installed versions with pip list.
Note: installing grpcio and grpcio-status takes a really long time. About 15 to 20 minutes each.
Originally posted here: https://groups.google.com/g/grpc-io/c/vjbL3IdZ2Vk/m/EcKSeD4eAgAJ

GLIBC and the kernel of the OS go hand-in-hand; you basically need a newer version of your OS, if you need a more recent GLIBC
the version of the GLIBC can be quickly found out with the following command:
ldd --version

Have you tried building glibc 2.33+ alongside the glibc that come in raspberry pi? Something along this answer and comments to use buildroot

Getting an error saying "Could not build wheels for numpy which use PEP 517 and cannot be installed directly" while installing numpy

I am trying to install a specific version of numpy using the command pip install numpy=1.19.1 in a python virtual environment. But I am getting the following errors
ERROR: Failed building wheel for numpy
Failed to build numpy
ERROR: Could not build wheels for numpy which use PEP 517 and cannot be installed directly
How do I solve this? I am using Python 3.9.6 and Pip 21.1.3. And I am on macOS Big Sur.

I was facing the same error on my MacBook Air(macOS BigSur) Laptop while installing the Numpy package via integrated terminal of VS Code. And I found the solution:
So previously I was using older version of pip i.e. 19.2.3.
But when I upgraded it to the latest version using command
pip install --upgrade pip
and after that when running the command
pip install numpy
it worked absolutely fine.
At the time running the above commands, my python version was 3.8.2.

I think NumPy is not yet being prepared for Python 3.9 since they need to check a lot of times. You should try Python 3.7 or 3.8 is better.
See this thread: https://github.com/numpy/numpy/issues/17569
Edit: Based on the latest news on numpy's website (dated 31st December) Numpy appears to now be supporting python 3.9 and 3.10 as well

If you're on Windows, then install Visual Studio 2019 Build Tools, then go to 'Individual components', then tick the latest version of 'Windows 10 SDK', and 'MSVC v142 x64/86 build tools - Latest'. That solved this error for me, except for me this error came when installing discord.py.
Try seeing if it works with Python 3.8 first though, just like Dhananjay's answer. That could save you a lot of storage, because Visual Studio takes up lots of space. If that doesn't work, you can try my answer.
Edit: I just realised, you said you're on Mac. Try this:
type python -VV in terminal
It should say something like this:
Python 3.9.6 (default, Jun 29 2021, 10:19:25)
[GCC 10.3.0]
Whatever it says on the second line is what you will need to install. I use Python on Ubuntu 21.10 on WSL2, which uses GCC 10.3.0, and I have GCC 10.3.0 installed.

Similarly to the answers above, switching to Python 3.8 solved the issue. Additionally, because of this issue, I couldn't install scikit-image which depends on numpy.
I created a virtual environment of Python 3.8 using conda i.e. conda create -n py38 python=3.8 to switch python version. I have Mac M1, 2020 updated to OS Monterey, version 12.0.1.

yea, I was also using python 3.10 and switched back to python 3.8.
check this link python/downloads to download python 3.8

Can't find Brew installed packages on Mac M1 in Pycharm

I'm having trouble installing packages and using them in Pycharm. I've followed various threads (I'm new to Macs and seem to have tried everything) now I'm stuck.
In this case, I want to use the package xgboost.
I have brew installed, after launching a terminal using Rosetta:
%brew install xgboost
Warning: xgboost 1.3.3 is already installed and up-to-date.
It appears installed OK here:
/opt/homebrew/Cellar/xgboost
I also have Python installed here:
/opt/homebrew/Cellar/python#3.9
But no matter how I configure an Interpreter in Pycharm, I can't seem to get the package recognised.
Where have I gone wrong?

I am very unsure exactly how, but I've got this working.
Following: https://abbasegbeyemi.me/blog/homebrew-python-apple-m1
I changed the order of elements in my path:
export PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/homebrew/bin
then a new interpreter in Pycharm using:
usr/local/Cellar/Python#3.9/3.9.2_2/bin/python3.9
Now I can install packages just using pip in pycharm and it works.
This has been 6 hours of pain - warning to anyone who isn't well versed in macs, setting up an M1 for python dev was a complete nightmare for me.

Docs: https://xgboost.readthedocs.io/en/latest/build.html
Pre-built binary wheel for Python
If you are planning to use Python, consider installing XGBoost from a pre-built binary wheel, available from Python Package Index (PyPI). You may download and install it by running
# Ensure that you are downloading one of the following:
# * xgboost-{version}-py2.py3-none-manylinux1_x86_64.whl
# * xgboost-{version}-py2.py3-none-win_amd64.whl
pip3 install xgboost

SciPy can't install old version Windows 10

I'm trying to install an older version of SciPy (either 0.16.1 or 0.17.0), but when I try to use pip I get the result:
pip install scipy==0.16.1
I get the following message
Failed building wheel for scipy
So I found the .whl file here https://www.lfd.uci.edu/~gohlke/pythonlibs/#numpy but the problem is that the version here is 1.0.1, and I can't seem to find any older ones, even in the SciPy website (there are for linux and mac)
.
.
PS.
I need to use either of this versions because I'm trying to run Theano on a GPU, and the tutorial provided here http://deeplearning.net/software/theano/install_windows.html says this version is a requirement if there is any tutorial that is better and more up-to-date I would be appreciated