diff options
-rw-r--r-- | Lib/tempfile.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Lib/tempfile.py b/Lib/tempfile.py index 32b83a0..dff2ae9 100644 --- a/Lib/tempfile.py +++ b/Lib/tempfile.py @@ -101,12 +101,12 @@ def _once(var, initializer): lock = _once_lock # Check first outside the lock. - if var in vars and vars[var] is not None: + if vars.get(var) is not None: return try: lock.acquire() # Check again inside the lock. - if var in vars and vars[var] is not None: + if vars.get(var) is not None: return vars[var] = initializer() finally: |