Some objects don't have a module

docs/source/conf.py

@@ -295,9 +295,12 @@ import inspect
 
 
 def autodoc_skip_member(app, what, name, obj, skip, options):
+    try:
         if inspect.getmodule(obj).__name__.startswith('telegram') and inspect.isfunction(obj):
             if name.lower() != name:
                 return True
+    except AttributeError:
+        pass
     # Return None so napoleon can handle it