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@ -408,6 +408,7 @@ class JSInterpreter(object):
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class Exception(ExtractorError):
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def __init__(self, msg, *args, **kwargs):
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expr = kwargs.pop('expr', None)
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msg = str_or_none(msg, default='"None"')
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if expr is not None:
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msg = '{0} in: {1!r:.100}'.format(msg.rstrip(), expr)
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super(JSInterpreter.Exception, self).__init__(msg, *args, **kwargs)
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@ -435,6 +436,7 @@ class JSInterpreter(object):
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flags, _ = self.regex_flags(flags)
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# First, avoid https://github.com/python/cpython/issues/74534
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self.__self = None
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pattern_txt = str_or_none(pattern_txt) or '(?:)'
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self.__pattern_txt = pattern_txt.replace('[[', r'[\[')
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self.__flags = flags
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