Add reference to TypeIs to use via InterSphinx

hugovk · hugovk · commit 2e3c1756d2bf · 2024-09-02T15:37:04.000+03:00
diff --git a/docs/spec/narrowing.rst b/docs/spec/narrowing.rst
@@ -110,6 +110,8 @@ is not narrowed in the negative case.
             reveal_type(val)  # tuple[str, str]
             ...
 
+.. _`typeis`:
+
 TypeIs
 ------
 
