also save flow bins

Author: siliataider

bindings/pyroot/pythonizations/python/ROOT/_pythonization/_uhi/serialization.py

@@ -65,7 +65,7 @@ def _storage_to_dict(hist: Any) -> dict[str, Any]:
         - else: type is double_storage
     """
     storage_dict = {
-        "values": hist.values(),
+        "values": hist.values(flow=True),
     }
 
     if hist.kind == "MEAN":
@@ -99,10 +99,6 @@ def _set_histogram_storage_from_dict(hist: Any, storage_dict: dict[str, Any]) ->
     hist_values = storage_dict["values"]
     hist[...] = hist_values
 
-    stype = storage_dict.get("type")
-    if stype in ["weighted_mean", "mean", "weighted"]:
-        hist.variances()[:] = storage_dict["variances"]
-
 
 def _to_uhi_(self) -> dict[str, Any]:
     return {