Enable running Python formatting
diff --git a/.gitignore b/.gitignore
index 3112445..618c9ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@
 # Python items
 cython_debug/
 python_build/
+python_format_venv/
 .coverage*
 .eggs
 htmlcov/