Prevent generation of TypeError(TypeError(...)) exceptions (#78)

agronholm · Sep 14, 2019 · 8f48de0 · 8f48de0
1 parent 4761514
commit 8f48de0
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/typeguard/__init__.py b/typeguard/__init__.py
@@ -554,7 +554,7 @@ def check_return_type(retval, memo: Optional[_CallMemo] = None) -> bool:
         try:
             check_type('the return value', retval, memo.type_hints['return'], memo)
         except TypeError as exc:  # suppress unnecessarily long tracebacks
-            raise TypeError(exc) from None
+            raise exc from None
 
     return True
 
@@ -589,7 +589,7 @@ def check_argument_types(memo: Optional[_CallMemo] = None) -> bool:
             try:
                 check_type(description, value, expected_type, memo)
             except TypeError as exc:  # suppress unnecessarily long tracebacks
-                raise TypeError(exc) from None
+                raise exc from None
 
     return True