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

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

Author: pre-commit-ci[bot]

src/PIL/DdsImagePlugin.py

@@ -14,7 +14,6 @@
 
 import struct
 import sys
-import math
 from enum import IntEnum, IntFlag
 from typing import IO
 
@@ -508,7 +507,7 @@ def decode(self, buffer: bytes | Image.SupportsArrayInterface) -> tuple[int, int
             if not mask_total:
                 mask_totals.append(0)
             else:
-                mask_totals.append(255/mask_total)
+                mask_totals.append(255 / mask_total)
 
         data = bytearray()
         bytecount = bitcount // 8
@@ -520,12 +519,13 @@ def decode(self, buffer: bytes | Image.SupportsArrayInterface) -> tuple[int, int
             # work around BufferedIO not being seekable
             has_more = len(chunk) > 0
             value = int.from_bytes(chunk, "little")
-            for i, mask, in enumerate(masks):
+            for (
+                i,
+                mask,
+            ) in enumerate(masks):
                 masked_value = value & mask
                 # Remove the zero padding, and scale it to 8 bits
-                data += o8(
-                    int((masked_value >> mask_offsets[i]) * mask_totals[i])
-                )
+                data += o8(int((masked_value >> mask_offsets[i]) * mask_totals[i]))
 
         # extra padding pixels -- always all 0
         if len(data) < dest_length:
@@ -534,7 +534,6 @@ def decode(self, buffer: bytes | Image.SupportsArrayInterface) -> tuple[int, int
             ct_bytes = dest_length - len(data)
             data += pixel * ct_bytes
 
-
         self.set_as_raw(data)
         return -1, 0