style: apply ruff formatting to FSDP2 changes

astrai/parallel/executor.py

@@ -363,9 +363,7 @@ class FSDP2Executor(BaseExecutor):
 
     @contextmanager
     def _no_sync(self, model: nn.Module):
-        fsdp_modules = [
-            m for m in model.modules() if isinstance(m, FSDPModule)
-        ]
+        fsdp_modules = [m for m in model.modules() if isinstance(m, FSDPModule)]
         if fsdp_modules:
             for m in fsdp_modules:
                 m.set_requires_gradient_sync(False, recurse=True)

scripts/tools/train.py

@@ -472,7 +472,9 @@ def train(
     ]
     assert os.path.exists(param_path)
     if nprocs > 1 and parallel_mode == "none":
-        raise ValueError("--nprocs > 1 requires --parallel_mode to be 'ddp', 'fsdp', or 'fsdp2'")
+        raise ValueError(
+            "--nprocs > 1 requires --parallel_mode to be 'ddp', 'fsdp', or 'fsdp2'"
+        )
 
     # Load config
     config_path = os.path.join(param_path, "config.json")