[Refactoring] Reordering imports in torch/utils/data/datapipes/iter/__init__.py (#61325)

Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/61325

Test Plan: Imported from OSS

Reviewed By: ejguan

Differential Revision: D29588896

Pulled By: VitalyFedyunin

fbshipit-source-id: 8c0f3580f82083c43a590a18ecddb3e04ae93ca9
diff --git a/torch/utils/data/datapipes/iter/__init__.py b/torch/utils/data/datapipes/iter/__init__.py
index 0fb668b..b7718f8 100644
--- a/torch/utils/data/datapipes/iter/__init__.py
+++ b/torch/utils/data/datapipes/iter/__init__.py
@@ -1,37 +1,68 @@
-from torch.utils.data.datapipes.iter.listdirfiles import \
-    ListDirFilesIterDataPipe as ListDirFiles
-from torch.utils.data.datapipes.iter.loadfilesfromdisk import \
-    LoadFilesFromDiskIterDataPipe as LoadFilesFromDisk
-from torch.utils.data.datapipes.iter.readfilesfromtar import \
-    ReadFilesFromTarIterDataPipe as ReadFilesFromTar
-from torch.utils.data.datapipes.iter.readfilesfromzip import \
-    ReadFilesFromZipIterDataPipe as ReadFilesFromZip
-from torch.utils.data.datapipes.iter.routeddecoder import \
-    RoutedDecoderIterDataPipe as RoutedDecoder
-from torch.utils.data.datapipes.iter.httpreader import \
-    HTTPReaderIterDataPipe as HttpReader
-from torch.utils.data.datapipes.iter.tobytes import \
-    ToBytesIterDataPipe as ToBytes
-from torch.utils.data.datapipes.iter.readlinesfromfile import \
-    ReadLinesFromFileIterDataPipe as ReadLinesFromFile
+from torch.utils.data.datapipes.iter.callable import (
+    CollateIterDataPipe as Collate,
+    MapIterDataPipe as Map,
+    TransformsIterDataPipe as Transforms,
+)
+from torch.utils.data.datapipes.iter.combinatorics import (
+    SamplerIterDataPipe as Sampler,
+    ShuffleIterDataPipe as Shuffle,
+)
+from torch.utils.data.datapipes.iter.combining import (
+    ConcatIterDataPipe as Concat,
+    ZipIterDataPipe as Zip,
+)
+from torch.utils.data.datapipes.iter.grouping import (
+    BatchIterDataPipe as Batch,
+    BucketBatchIterDataPipe as BucketBatch,
+    GroupByKeyIterDataPipe as GroupByKey,
+)
+from torch.utils.data.datapipes.iter.httpreader import (
+    HTTPReaderIterDataPipe as HttpReader,
+)
+from torch.utils.data.datapipes.iter.listdirfiles import (
+    ListDirFilesIterDataPipe as ListDirFiles,
+)
+from torch.utils.data.datapipes.iter.loadfilesfromdisk import (
+    LoadFilesFromDiskIterDataPipe as LoadFilesFromDisk,
+)
+from torch.utils.data.datapipes.iter.readfilesfromtar import (
+    ReadFilesFromTarIterDataPipe as ReadFilesFromTar,
+)
+from torch.utils.data.datapipes.iter.readfilesfromzip import (
+    ReadFilesFromZipIterDataPipe as ReadFilesFromZip,
+)
+from torch.utils.data.datapipes.iter.readlinesfromfile import (
+    ReadLinesFromFileIterDataPipe as ReadLinesFromFile,
+)
+from torch.utils.data.datapipes.iter.routeddecoder import (
+    RoutedDecoderIterDataPipe as RoutedDecoder,
+)
+from torch.utils.data.datapipes.iter.selecting import (
+    FilterIterDataPipe as Filter,
+)
+from torch.utils.data.datapipes.iter.tobytes import (
+    ToBytesIterDataPipe as ToBytes,
+)
 
-# Functional DataPipe
-from torch.utils.data.datapipes.iter.callable import \
-    (MapIterDataPipe as Map, CollateIterDataPipe as Collate,
-     TransformsIterDataPipe as Transforms)
-from torch.utils.data.datapipes.iter.combining import \
-    (ConcatIterDataPipe as Concat, ZipIterDataPipe as Zip)
-from torch.utils.data.datapipes.iter.combinatorics import \
-    (SamplerIterDataPipe as Sampler, ShuffleIterDataPipe as Shuffle)
-from torch.utils.data.datapipes.iter.grouping import \
-    (BatchIterDataPipe as Batch, BucketBatchIterDataPipe as BucketBatch,
-     GroupByKeyIterDataPipe as GroupByKey)
-from torch.utils.data.datapipes.iter.selecting import \
-    (FilterIterDataPipe as Filter)
+__all__ = ['Batch',
+           'BucketBatch',
+           'Collate',
+           'Concat',
+           'Filter',
+           'GroupByKey',
+           'HttpReader',
+           'ListDirFiles',
+           'LoadFilesFromDisk',
+           'Map',
+           'ReadFilesFromTar',
+           'ReadFilesFromZip',
+           'ReadLinesFromFile',
+           'RoutedDecoder',
+           'Sampler',
+           'Shuffle',
+           'ToBytes',
+           'Transforms',
+           'Zip']
 
-
-__all__ = ['ListDirFiles', 'LoadFilesFromDisk', 'ReadFilesFromTar',
-           'ReadFilesFromZip', 'RoutedDecoder', 'GroupByKey',
-           'Batch', 'BucketBatch', 'Collate', 'Concat', 'Filter', 'Map',
-           'Sampler', 'Shuffle', 'Transforms', 'Zip',
-           'HttpReader', 'ToBytes', 'ReadLinesFromFile']
+# Please keep this list sorted
+assert __all__ == sorted(__all__)