diff options
| -rw-r--r-- | Lib/fileinput.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/fileinput.py b/Lib/fileinput.py index 19932ca..ba48575 100644 --- a/Lib/fileinput.py +++ b/Lib/fileinput.py @@ -226,7 +226,7 @@ class FileInput: self._mode = mode if inplace and openhook: raise ValueError("FileInput cannot use an opening hook in inplace mode") - elif openhook and not callable(openhook): + elif openhook and not hasattr(openhook, '__call__'): raise ValueError("FileInput openhook must be callable") self._openhook = openhook |