style: pre-commit fixes

Author: pre-commit-ci[bot]

src/uproot/models/RNTuple.py

@@ -502,7 +502,9 @@ def read_col_pages(self, ncol, cluster_range, dtype_byte, pad_missing_ele=False)
             or dtype_byte == uproot.const.rntuple_col_type_to_num_dict["splitindex32"]
         ):
             # Extract the last offset values:
-            last_elements = [arr[-1] for arr in arrays[:-1]]  # First value always zero, therefore skip first arr.
+            last_elements = [
+                arr[-1] for arr in arrays[:-1]
+            ]  # First value always zero, therefore skip first arr.
             # Compute cumulative sum using itertools.accumulate:
             last_offsets = [*list(accumulate(last_elements))]
             # Add the offsets to each array