1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/argparse.py b/Lib/argparse.py
index 5ad7e13..83878b1 100644
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -1198,9 +1198,13 @@ class Namespace(_AttributeHolder):
             setattr(self, name, kwargs[name])
 
     def __eq__(self, other):
+        if not isinstance(other, Namespace):
+            return NotImplemented
         return vars(self) == vars(other)
 
     def __ne__(self, other):
+        if not isinstance(other, Namespace):
+            return NotImplemented
         return not (self == other)
 
     def __contains__(self, key):