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

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

Author: pre-commit-ci[bot]

tests/unittests/image/test_ssim.py

@@ -395,13 +395,13 @@ def test_ssim_reduction_none_ddp():
     if free_port == -1:
         pytest.skip("No free port available for DDP test.")
     # Use spawn context to avoid module reimport issues
-    ctx = mp.get_context('spawn')
+    ctx = mp.get_context("spawn")
     processes = []
     for rank in range(world_size):
         p = ctx.Process(target=_run_ssim_ddp, args=(rank, world_size, free_port))
         p.start()
         processes.append(p)
-    
+
     for p in processes:
         p.join()
         assert p.exitcode == 0, f"Process failed with exit code {p.exitcode}"