Fix rewind() with bit_count > 1
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@ -170,8 +170,8 @@ class Track:
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n += b << bit_index
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yield n
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def rewind(self, bit_count):
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self.bit_index -= 1
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def rewind(self, bit_count=1):
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self.bit_index -= bit_count
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if self.bit_index < 0:
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self.bit_index = self.bit_count - 1
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self.revolutions -= 1
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