demo/bug: fc_cnn_ca_demo

[sameerashahh]

Describe the bug
TypeError: FixedComplexity.init() got an unexpected keyword argument 'reps'

To Reproduce
Steps to reproduce the behavior:

1. Go to demos/fc_cnn_ca_demo.ipynb
2. Run the demo cell by cell
3. Error occurs in the last cell.

Expected behavior
A plot should be generated.