simplify

diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py
index 9f7bd11ccaef0c7dc72ec519ad81f2183d0b541e..9d12e32203150d82c3e78b4c0a2b3a538cff2e2d 100644 (file)
--- a/Lib/importlib/_bootstrap.py
+++ b/Lib/importlib/_bootstrap.py
@@ -36,10 +36,7 @@ def _case_ok(directory, check):
             b'PYTHONCASEOK' not in _os.environ):
         if not directory:
             directory = '.'
-        if check in _os.listdir(directory):
-            return True
-        else:
-            return False
+        return check in _os.listdir(directory)
     else:
         return True