correct formatting

Author: d-biehl

tests/robotcode/language_server/robotframework/parts/test_references.py

@@ -39,7 +39,7 @@ def split(location: Optional[Location]) -> Optional[Location]:
         if location is None:
             return None
 
-        return Location("/".join(location.uri.split('/')[-2:]), location.range)
+        return Location("/".join(location.uri.split("/")[-2:]), location.range)
 
     result = await protocol.robot_references.collect(
         protocol.robot_document_highlight,