Fix style issues.

docs/source/conf.py

@@ -16,7 +16,6 @@
 
 import sphinx_rtd_theme
 
-
 # -- Project information -----------------------------------------------------
 
 project = "icefall"

docs/source/recipes/index.rst

@@ -15,4 +15,3 @@ We may add recipes for other tasks as well in the future.
    yesno
 
    librispeech
-

egs/librispeech/ASR/RESULTS.md

@@ -43,4 +43,3 @@ We searched the lm_score_scale for best results, the scales that produced the WE
 |--|--|
 |test-clean|0.8|
 |test-other|0.9|
-

egs/librispeech/ASR/conformer_ctc/test_subsampling.py

@@ -16,9 +16,8 @@
 # limitations under the License.
 
 
-from subsampling import Conv2dSubsampling
-from subsampling import VggSubsampling
 import torch
+from subsampling import Conv2dSubsampling, VggSubsampling
 
 
 def test_conv2d_subsampling():

egs/librispeech/ASR/conformer_ctc/test_transformer.py

@@ -17,17 +17,16 @@
 
 
 import torch
+from torch.nn.utils.rnn import pad_sequence
 from transformer import (
     Transformer,
+    add_eos,
+    add_sos,
+    decoder_padding_mask,
     encoder_padding_mask,
     generate_square_subsequent_mask,
-    decoder_padding_mask,
-    add_sos,
-    add_eos,
 )
 
-from torch.nn.utils.rnn import pad_sequence
-
 
 def test_encoder_padding_mask():
     supervisions = {

icefall/utils.py

@@ -26,7 +26,6 @@ from pathlib import Path
 from typing import Dict, Iterable, List, TextIO, Tuple, Union
 
 import k2
-import k2.ragged as k2r
 import kaldialign
 import torch
 import torch.distributed as dist

test/test_bpe_graph_compiler.py

@@ -16,9 +16,10 @@
 # limitations under the License.
 
 
+from pathlib import Path
+
 from icefall.bpe_graph_compiler import BpeCtcTrainingGraphCompiler
 from icefall.lexicon import BpeLexicon
-from pathlib import Path
 
 
 def test():