README.md edited

.venv/lib/python3.10/site-packages/django/contrib/admin/exceptions.py

@@ -0,0 +1,25 @@
+from django.core.exceptions import SuspiciousOperation
+
+
+class DisallowedModelAdminLookup(SuspiciousOperation):
+    """Invalid filter was passed to admin view via URL querystring"""
+
+    pass
+
+
+class DisallowedModelAdminToField(SuspiciousOperation):
+    """Invalid to_field was passed to admin view via URL query string"""
+
+    pass
+
+
+class AlreadyRegistered(Exception):
+    """The model is already registered."""
+
+    pass
+
+
+class NotRegistered(Exception):
+    """The model is not registered."""
+
+    pass