cleanup add training bell

venv/lib/python3.11/site-packages/PIL/_util.py

@@ -0,0 +1,19 @@
+import os
+from pathlib import Path
+
+
+def is_path(f):
+    return isinstance(f, (bytes, str, Path))
+
+
+def is_directory(f):
+    """Checks if an object is a string, and that it points to a directory."""
+    return is_path(f) and os.path.isdir(f)
+
+
+class DeferredError:
+    def __init__(self, ex):
+        self.ex = ex
+
+    def __getattr__(self, elt):
+        raise self.ex