Diagnostics, implementation and definition tools (WIP)

test/resources/repos/python/test_repo/test_repo/diagnostics_sample.py

@@ -0,0 +1,11 @@
+from .models import User
+
+
+def broken_factory() -> User:
+    return missing_user
+
+
+def broken_consumer() -> None:
+    created_user = broken_factory()
+    print(created_user)
+    print(undefined_name)