1 files changed, 4 insertions, 6 deletions
diff --git a/django/template/context.py b/django/template/context.py
index 8f349a3a96..f0a0cf2a00 100644
--- a/django/template/context.py
+++ b/django/template/context.py
@@ -124,12 +124,10 @@ class BaseContext:
         """
         Compare two contexts by comparing theirs 'dicts' attributes.
         """
-        return (
-            isinstance(other, BaseContext) and
-            # because dictionaries can be put in different order
-            # we have to flatten them like in templates
-            self.flatten() == other.flatten()
-        )
+        if not isinstance(other, BaseContext):
+            return NotImplemented
+        # flatten dictionaries because they can be put in a different order.
+        return self.flatten() == other.flatten()
 
 
 class Context(BaseContext):