IOError → OSError

In Python ≥ 3.3, IOError is an alias of OSError:
https://docs.python.org/3/library/exceptions.html#OSError

Suggested by pyupgrade.

Author: DimitriPapadopoulos

bench/ndarray/transcode_data.py

@@ -68,7 +68,7 @@
 
 dir_path = Path(dir_path)
 if not dir_path.is_dir():
-    raise IOError(f"{dir_path} must be the directory with datasets")
+    raise OSError(f"{dir_path} must be the directory with datasets")
 
 for fname in dir_path.iterdir():
     path = str(fname)