add comment to not forget why parameter is optional

AntaresSimulatorTeam · Feb 6, 2025 · 3fae17f · 3fae17f
1 parent 4221a58
commit 3fae17f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/antarest/study/storage/rawstudy/model/filesystem/matrix/input_series_matrix.py b/antarest/study/storage/rawstudy/model/filesystem/matrix/input_series_matrix.py
@@ -44,7 +44,7 @@ def __init__(
         config: FileStudyTreeConfig,
         freq: MatrixFrequency = MatrixFrequency.HOURLY,
         nb_columns: t.Optional[int] = None,
-        default_empty: t.Optional[npt.NDArray[np.float64]] = None,
+        default_empty: t.Optional[npt.NDArray[np.float64]] = None,  # optional only for the capacity matrix in Xpansion
     ):
         super().__init__(context=context, config=config, freq=freq)
         self.nb_columns = nb_columns