[pre-commit.ci] auto fixes from pre-commit.com hooks

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acro/acro_tables.py

@@ -493,7 +493,7 @@ def create_crosstab_masks(  # pylint: disable=too-many-arguments,too-many-locals
     dropna,
     normalize,
 ):
-    """Creates masks to specify the cells to suppress"""
+    """Creates masks to specify the cells to suppress."""
     # suppression masks to apply based on the following checks
     masks: dict[str, DataFrame] = {}