Fix docs

flying-sheep · flying-sheep · commit 80d1c744defc · 2019-10-25T17:58:24.000+02:00
diff --git a/scanpydoc/elegant_typehints/return_tuple.py b/scanpydoc/elegant_typehints/return_tuple.py
@@ -14,7 +14,7 @@
 def get_tuple_annot(annotation: Optional[Type]) -> Optional[Tuple[Type, ...]]:
     if annotation is None:
         return None
-    origin = getattr(annotation, "__origin__")
+    origin = getattr(annotation, "__origin__", None)
     if not origin:
         return None
     if origin is Union:
