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avoid mutable default in aligner

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This commit is contained in:
Josh Ziegler 2022-05-26 16:20:09 -04:00
parent 7becd30c2a
commit 53f6563e3e
1 changed files with 3 additions and 2 deletions
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5
tortoise/utils/wav2vec_alignment.py
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@ -7,13 +7,15 @@ from transformers import Wav2Vec2ForCTC, Wav2Vec2FeatureExtractor, Wav2Vec2CTCTo
from tortoise.utils.audio import load_audio
def max_alignment(s1, s2, skip_character='~', record={}):
def max_alignment(s1, s2, skip_character='~', record=None):
"""
A clever function that aligns s1 to s2 as best it can. Wherever a character from s1 is not found in s2, a '~' is
used to replace that character.
Finally got to use my DP skills!
"""
if record is None:
record = {}
assert skip_character not in s1, f"Found the skip character {skip_character} in the provided string, {s1}"
if len(s1) == 0:
return ''
@ -145,4 +147,3 @@ class Wav2VecAlignment:
start, stop = nri
output_audio.append(audio[:, alignments[start]:alignments[stop]])
return torch.cat(output_audio, dim=-1)