Submodules have their empty dir

even if uninitialized

Author: dahlia

setup.py

@@ -29,7 +29,8 @@
 ''', re.VERBOSE)
 
 
-if not os.path.isdir(LIBSASS_DIR) and os.path.isdir('.git'):
+if not os.path.isfile(os.path.join(LIBSASS_DIR, 'Makefile')) and \
+   os.path.isdir('.git'):
     print(file=sys.stderr)
     print('You seem to miss initializing submodules; '
           'try the following command', file=sys.stderr)