Improve pre-commit hooks (#1602)

Co-authored-by: Jeff Rasley <jerasley@microsoft.com>

docs/code-docs/source/conf.py

@@ -72,6 +72,7 @@ html_context = {
 
 # Mock imports so we don't have to install torch to build the docs.
 from unittest.mock import MagicMock
+
 sys.path.insert(0, os.path.abspath('../../../'))
 
 # Prepend module names to class descriptions?