diff options
| -rw-r--r-- | distutils/dist.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/distutils/dist.py b/distutils/dist.py index 6cf0a0d6..37db4d6c 100644 --- a/distutils/dist.py +++ b/distutils/dist.py @@ -35,7 +35,8 @@ def _ensure_list(value, fieldname): elif not isinstance(value, list): # passing a tuple or an iterator perhaps, warn and convert typename = type(value).__name__ - msg = f"Warning: '{fieldname}' should be a list, got type '{typename}'" + msg = "Warning: '{fieldname}' should be a list, got type '{typename}'" + msg = msg.format(**locals()) log.log(log.WARN, msg) value = list(value) return value |