Fix add_handler auto-type detection

2025-08-09 13:29:47 +00:00 · 2022-02-04 11:46:08 +01:00
parent cb628f3cce
commit 46ba9696aa
1 changed files with 1 additions and 1 deletions
--- a/telethon/_client/updates.py
+++ b/telethon/_client/updates.py
@@ -56,7 +56,7 @@ def add_event_handler(

    if event is None:
        for param in inspect.signature(callback).parameters.values():
-            event = param.annotation
+            event = None if param.annotation is inspect.Signature.empty else param.annotation
            break  # only check the first parameter

    if event is None: