"Error: No module named 'bcolz'." but bcolz is already installed

Hi guys, I would really appreciate some help here. I believe I have tried every suggestion here, but I still get the same error.

My system:

  • Windows 10
  • Anaconda3
  • Run all the steps listed in the Windows10 install howto here.

I’m sure I have this bcolz library installed. I can load it using ipython:

(fastai) C:\Users\gusta\source\repos\fastai>ipython
Python 3.6.8 |Anaconda, Inc.| (default, Dec 30 2018, 18:50:55) [MSC v.1915 64 bit (AMD64)]
Type 'copyright', 'credits' or 'license' for more information
IPython 7.2.0 -- An enhanced Interactive Python. Type '?' for help.
In [1]: import bcolz
In [2]:

I can even open the Jupyter notebook, and check that the package is visible there:

(Notice from the figure that the package list was obtained from the very shell that is running lesson1.ipynb. Jupyter is installed in the fastai environment. Still, when trying to load the cell, I get the same error:

I’m out of ideas here. Could anyone help me? I really appreciate any leads.

Thank you very much!