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

for more information, see https://pre-commit.ci

src/biocframe/BiocFrame.py

@@ -1181,9 +1181,7 @@ def to_pandas(self):
                 data=_data_copy, index=self._row_names, columns=self._column_names
             )
         else:
-            DataFrame(
-                data={}, index=range(self._number_of_rows)
-            )
+            DataFrame(data={}, index=range(self._number_of_rows))
 
     @classmethod
     def from_pandas(cls, input: "pandas.DataFrame") -> "BiocFrame":