Cant use stellargraph library from google colab

Question

I have been trying to run a certain notebook in google colab with the use of stellargraph library I am using this command to install stellargraph (required version is 1.2.1)

Note: I changed the python to 3.7.16

%pip install -q stellargraph[demos]==1.2.1

after that I try to import the library:

import stellargraph as sg

and I receive this error:

ModuleNotFoundError                       Traceback (most recent call last)
<ipython-input-22-ebd46f3ef3a7> in <cell line: 2>()
      1 # verify that we're using the correct version of StellarGraph for this notebook
----> 2 import stellargraph as sg
      3 
      4 try:
      5     sg.utils.validate_notebook_version("1.2.1")

ModuleNotFoundError: No module named 'stellargraph'

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And after checking the existing modules with the command pip freeze or !pip list I can see that the module is installed but still cant import it.

This is the notebook which I am trying to run: notebook link

trying to install different versions of stellargraph and downgrading the python version on the google colab