Update on "Add fake impl for aten.unique2"

Reapply of: #121571
Differential Revision: [D56258431](https://our.internmc.facebook.com/intern/diff/D56258431)

[ghstack-poisoned]

Author: tugsbayasgalan

test/test_ops.py

@@ -2455,7 +2455,9 @@ def _test_fake_helper(self, device, dtype, op, context):
 
             from torch.fx.experimental.symbolic_shapes import ShapeEnv
 
-            allow_dynamic_output_shape_shape_env = ShapeEnv(allow_dynamic_output_shape_ops=True)
+            allow_dynamic_output_shape_shape_env = ShapeEnv(
+                allow_dynamic_output_shape_ops=True
+            )
 
             allow_dynamic_output_shape_mode = FakeTensorMode(
                 shape_env=allow_dynamic_output_shape_shape_env