1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/inspect.py b/Lib/inspect.py
index 6e74471..cbc0632 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -395,7 +395,7 @@ def _has_code_flag(f, flag):
     while ismethod(f):
         f = f.__func__
     f = functools._unwrap_partial(f)
-    if not isfunction(f):
+    if not (isfunction(f) or _signature_is_functionlike(f)):
         return False
     return bool(f.__code__.co_flags & flag)