fix test

tests/tests_pytorch/trainer/test_dataloaders.py

@@ -819,7 +819,6 @@ def on_train_end(self):
 
 
 @RunIf(standalone=True)
-@patch.dict(os.environ, {}, clear=True)
 def test_distributed_sampler_without_global_seed(tmpdir):
  """Test that the samples are non-overlapping in DDP when shuffling is enabled and no global seed is set."""
  # This test must run without a global seed set (e.g. through `seed_everything`), to ensure that each process
@@ -828,6 +827,7 @@ def test_distributed_sampler_without_global_seed(tmpdir):
  train_dataloader = DataLoader(range(32), shuffle=True, batch_size=4)
  trainer = Trainer(
  default_root_dir=tmpdir,
+ num_sanity_val_steps=False,
  logger=False,
  enable_progress_bar=False,
  accelerator="cpu",