avoid checking decorators for synthetic functions

ikonst · ikonst · commit 8980c84ffdaf · 2023-12-10T23:49:55.000-05:00
diff --git a/mypy/checker.py b/mypy/checker.py
@@ -4876,6 +4876,8 @@ def visit_del_stmt(self, s: DelStmt) -> None:
                     )
 
     def visit_decorator(self, e: Decorator) -> None:
+        if e.func.is_synthetic():
+            return
         for d in e.decorators:
             if isinstance(d, RefExpr):
                 if d.fullname == "typing.no_type_check":

Original file line number	Diff line number	Diff line change
`@@ -4876,6 +4876,8 @@ def visit_del_stmt(self, s: DelStmt) -> None:`
`4876`	`4876`	`)`
`4877`	`4877`
`4878`	`4878`	`def visit_decorator(self, e: Decorator) -> None:`
	`4879`	`+ if e.func.is_synthetic():`
	`4880`	`+ return`
`4879`	`4881`	`for d in e.decorators:`
`4880`	`4882`	`if isinstance(d, RefExpr):`
`4881`	`4883`	`if d.fullname == "typing.no_type_check":`