Improve method signatures in the docs

telethon/client/messages.py

@@ -1,3 +1,4 @@
+import inspect
 import itertools
 import typing
 
@@ -520,6 +521,8 @@ class MessageMethods:
 
         return await it.collect()
 
+    get_messages.__signature__ = inspect.signature(iter_messages)
+
     # endregion
 
     # region Message sending/editing/deleting