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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 unmarshall_value(self, value):
 """ Unmarshalls a Crash object read from the database. @type value: str @param value: Object to convert. @rtype: L{Crash} @return: Converted object. """

        value = str(value)
        if self.escapeValues:
            value = value.decode('hex')
        if self.compressValues:
            value = zlib.decompress(value)
        value = pickle.loads(value)
        return value