unused import [6/n] (#3417)

Summary:
Pull Request resolved: #3417

https://www.flake8rules.com/rules/F401.html

Reviewed By: TroyGarden

Differential Revision: D83739310

fbshipit-source-id: 7baacb1a10cf3c9753b8637ac69f6702f27c6e13

Author: aliafzal

torchrec/distributed/benchmark/benchmark_zch/data/get_metric_modules.py

@@ -9,7 +9,7 @@
 import argparse
 import os
 import sys
-from typing import Any, Dict, List, Optional, Tuple, Union
+from typing import Dict
 
 import torch
 import yaml

torchrec/distributed/benchmark/benchmark_zch/data/nonzch_remapper.py

@@ -7,7 +7,7 @@
 
 # pyre-strict
 from dataclasses import dataclass
-from typing import Dict, List, Optional, Tuple, Union
+from typing import Dict, List, Union
 
 import torch
 from torchrec.modules.embedding_configs import EmbeddingBagConfig, EmbeddingConfig

torchrec/distributed/benchmark/benchmark_zch/data/preprocess/movielens_1m.py

@@ -10,7 +10,7 @@
 import os
 
 from dataclasses import dataclass
-from typing import Any, Dict, List, Tuple, Union
+from typing import Any, Dict, List, Union
 
 import pandas as pd
 import torch

torchrec/modules/embedding_configs.py

@@ -7,12 +7,11 @@
 
 # pyre-strict
 
-from abc import ABC
 from dataclasses import dataclass, field
 from enum import Enum, unique
 from functools import partial
 from math import sqrt
-from typing import Callable, Dict, List, NamedTuple, Optional, Tuple
+from typing import Callable, Dict, List, NamedTuple, Optional
 
 import torch
 from fbgemm_gpu.split_embedding_configs import SparseType