Update types.py

HypothesisWorks · Jul 27, 2021 · 36633ea · 36633ea
1 parent 4ba33aa
commit 36633ea
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/hypothesis-python/src/hypothesis/strategies/_internal/types.py b/hypothesis-python/src/hypothesis/strategies/_internal/types.py
@@ -98,7 +98,7 @@ def try_issubclass(thing, superclass):
 
 
 def is_a_new_type(thing):
-    if not isinstance(thing, type):
+    if not isinstance(typing.NewType, type):
         # At runtime, `typing.NewType` returns an identity function rather
         # than an actual type, but we can check whether that thing matches.
         return (