$ pre-commit  run --show-diff-on-failure | cat
Trim Trailing Whitespace.................................................Failed
hookid: trailing-whitespace

Files were modified by this hook. Additional output:

Fixing setup.py

Fix End of Files.........................................................Passed
autopep8 wrapper.........................................................Passed
Check docstring is first.................................................Passed
Check JSON...........................................(no files to check)Skipped
Check Yaml...........................................(no files to check)Skipped
Debug Statements (Python)................................................Passed
Tests should end in _test.py.........................(no files to check)Skipped
Fix requirements.txt.................................(no files to check)Skipped
Flake8...................................................................Passed
Validate Pre-Commit Manifest.........................(no files to check)Skipped
Reorder python imports...................................................Passed
Add trailing commas......................................................Passed
Check hooks apply to the repository..................(no files to check)Skipped
Check for useless excludes...........................(no files to check)Skipped
diff --git a/setup.py b/setup.py
index 72abdc4..b78dafe 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-from setuptools import find_packages  
+from setuptools import find_packages
 from setuptools import setup
 
 with open('README.md') as f:
All changes made by hooks: