UFMT formatting on test/export (#123520)

Partially addresses #123062

Ran lintrunner on:
test/export

Detail:
```Shell
$ lintrunner -a --take UFMT --all-files
ok No lint issues.
Successfully applied all patches.
```

Co-authored-by: Edward Z. Yang <ezyang@meta.com>
Pull Request resolved: #123520
Approved by: https://github.com/shink, https://github.com/ezyang

.lintrunner.toml

@@ -1144,15 +1144,6 @@ exclude_patterns = [
     'test/distributed/test_pg_wrapper.py',
     'test/distributed/test_store.py',
     'test/expect/__init__.py',
-    'test/export/test_db.py',
-    'test/export/test_export.py',
-    'test/export/test_funtionalized_assertions.py',
-    'test/export/test_pass_infra.py',
-    'test/export/test_passes.py',
-    'test/export/test_serialize.py',
-    'test/export/test_upgrade.py',
-    'test/export/test_verifier.py',
-    'test/export/test_unflatten.py',
     'test/functorch/attn_ft.py',
     'test/functorch/attn_positional.py',
     'test/functorch/common_utils.py',

test/export/test_db.py

@@ -12,12 +12,13 @@
 from torch.export import export
 from torch.testing._internal.common_utils import (
     instantiate_parametrized_tests,
+    IS_WINDOWS,
     parametrize,
     run_tests,
     TestCase,
-    IS_WINDOWS
 )
 
+
 @unittest.skipIf(IS_WINDOWS, "Windows not supported for this test")
 @unittest.skipIf(not torchdynamo.is_dynamo_supported(), "dynamo doesn't support")
 class ExampleTests(TestCase):
@@ -60,7 +61,9 @@ def test_exportdb_supported(self, name: str, case: ExportCase) -> None:
     def test_exportdb_not_supported(self, name: str, case: ExportCase) -> None:
         model = case.model
         # pyre-ignore
-        with self.assertRaises((torchdynamo.exc.Unsupported, AssertionError, RuntimeError)):
+        with self.assertRaises(
+            (torchdynamo.exc.Unsupported, AssertionError, RuntimeError)
+        ):
             inputs = normalize_inputs(case.example_inputs)
             exported_model = export(
                 model,
@@ -77,6 +80,7 @@ def test_exportdb_not_supported(self, name: str, case: ExportCase) -> None:
         for rewrite_case in get_rewrite_cases(case)
     ]
     if exportdb_not_supported_rewrite_cases:
+
         @parametrize(
             "name,rewrite_case",
             exportdb_not_supported_rewrite_cases,