Break up long line (#12184)

Author: jonathanmetzman

infra/base-images/base-runner/python_coverage_runner_help.py

@@ -32,7 +32,8 @@ def should_exclude_file(filepath):
     return True
 
   # Filter out all standard python libraries
-  if '/usr/local/lib/python' in filepath and 'site-packages' not in filepath and 'dist-packages' not in filepath:
+  if ('/usr/local/lib/python' in filepath and
+      'site-packages' not in filepath and 'dist-packages' not in filepath):
     return True
 
   # Avoid all PyInstaller modules.