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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def parse_isotime(timestr):
 """Parse time from ISO 8601 format."""

    try:
        return iso8601.parse_date(timestr)
    except iso8601.ParseError as e:
        raise ValueError(six.text_type(e))
    except TypeError as e:
        raise ValueError(six.text_type(e))