diff options
Diffstat (limited to 'numpy/lib/npyio.py')
| -rw-r--r-- | numpy/lib/npyio.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/numpy/lib/npyio.py b/numpy/lib/npyio.py index 22fb0eb7d..339b1dc62 100644 --- a/numpy/lib/npyio.py +++ b/numpy/lib/npyio.py @@ -260,7 +260,7 @@ class NpzFile(Mapping): else: return self.zip.read(key) else: - raise KeyError("%s is not a file in the archive" % key) + raise KeyError(f"{key} is not a file in the archive") def __contains__(self, key): return (key in self._files or key in self.files) |