Perform quoting AFTER the test for file existence... Otherwise with spaces in Apache path, the test for file existence will always fail since the system call with be done with the quotes (tested under Win32).
Perform quoting AFTER the test for file existence... Otherwise with spaces in Apache path, the test for file existence will always fail since the system call with be done with the quotes (tested under Win32).

Distrotech/mod_python,Distrotech/mod_python,Distrotech/mod_python