Improve type annotations

adam-urbanczyk · web-flow · commit 8fc3a5d388be · 2021-12-22T21:01:36.000+01:00
diff --git a/cadquery/cq.py b/cadquery/cq.py
@@ -487,7 +487,7 @@ def _getTagged(self, name: str) -> "Workplane":
 
         return rv
 
-    def _mergeTags(self, obj: T) -> "Workplane":
+    def _mergeTags(self: T, obj: T) -> T:
         """
         Merge tags
 
