mamba install of FASTBOOK leading to provider install issue

Question

While trying to run command below

mamba install -y fastbook

I am receiving the problem/error below

Looking for: ['fastbook']

fastai/linux-64          [====================] (00m:00s) Done
fastchan/linux-64        [====================] (00m:00s) Done
pkgs/r/noarch            [====================] (00m:00s) Done
fastchan/noarch          [====================] (00m:00s) Done
fastai/noarch            [====================] (00m:00s) Done
pkgs/main/noarch         [====================] (00m:00s) Done
pkgs/r/linux-64          [====================] (00m:00s) Done
pkgs/main/linux-64       [====================] (00m:01s) Done

Pinned packages:
  - python 3.9.5


Encountered problems while solving:
  - package python-3.9.5-h12debd9_4 requires libffi >=3.3,<3.4.0a0, but none of the providers can be installed

This is all part of instructions I am following here

https://course.fast.ai/start_aws#step-6-setup-server

Answer 1

Run the command:

mamba install fastbook -c fastchan

Answer 2

I had to use the fastai channel and it worked:

 mamba install -c fastai fastbook