Add docstring

ilevkivskyi · ilevkivskyi · commit 5fa8b37b2806 · 2025-09-06T17:17:59.000+01:00
diff --git a/mypy/semanal.py b/mypy/semanal.py
@@ -6296,6 +6296,7 @@ def lookup(
         return node
 
     def record_imported_symbol(self, node: SymbolNode) -> None:
+        """If the symbol was not defined in current module, add its module to module_refs."""
         if isinstance(node, MypyFile):
             fullname = node.fullname
         elif isinstance(node, TypeInfo):
