pre-commit run

Author: dougbrn

src/nested_pandas/nestedframe/core.py

@@ -925,11 +925,15 @@ def reduce(self, func, *args, infer_nesting=True, **kwargs) -> NestedFrame:  # t
 
         if infer_nesting:
             # find potential nested structures from columns
-            nested_cols = list(np.unique(
-                [column.split(".", 1)[0]
-                 for column in results_nf.columns
-                 if isinstance(column, str) and "." in column]
-            ))
+            nested_cols = list(
+                np.unique(
+                    [
+                        column.split(".", 1)[0]
+                        for column in results_nf.columns
+                        if isinstance(column, str) and "." in column
+                    ]
+                )
+            )
 
             # pack results into nested structures
             for layer in nested_cols: