fix broken .pyi

diff --git a/src/nmutil/plain_data.pyi b/src/nmutil/plain_data.pyi
index 1d42131ec1cf7877ad95c934ada7e17c7536bc6c..520a4d9c10e000b6edf74fb9aa10906bb711b895 100644 (file)
--- a/src/nmutil/plain_data.pyi
+++ b/src/nmutil/plain_data.pyi
@@ -17,6 +17,7 @@ def plain_data(*, eq: bool = True, unsafe_hash: bool = False,
 
 
 def fields(pd: Any) -> tuple[str, ...]:
+    ...
 
 
 def replace(pd: _T, **changes: Any) -> _T: