Don't gitignore the Python directory on case insensitive file systems.
diff --git a/.gitignore b/.gitignore
index ba9ee85..3fe3259 100644
--- a/.gitignore
+++ b/.gitignore
@@ -58,7 +58,7 @@
 platform
 pybuilddir.txt
 pyconfig.h
-python
+python$
 python-config
 python-config.py
 python.exe