Don't remove non-directories from sys.path on the mac: files
can be on sys.path too.
diff --git a/Lib/site.py b/Lib/site.py
index be53065..a2de4f2 100644
--- a/Lib/site.py
+++ b/Lib/site.py
@@ -80,8 +80,9 @@
_dirs_in_sys_path = {}
for dir in sys.path:
# Filter out paths that don't exist, but leave in the empty string
- # since it's a special case.
- if dir and not os.path.isdir(dir):
+ # since it's a special case. Except on the mac, where files are legal
+ # in sys.path.
+ if dir and not os.path.isdir(dir) and sys.platform != 'mac':
continue
dir, dircase = makepath(dir)
if not _dirs_in_sys_path.has_key(dircase):