'Init method.
Arguments:
rule: The Rule which was violated.
expression: The Expression that was in violation.'

def __init__(self, rule, expression):

    super(ExpressionRuleViolation, self).__init__(rule)
    self.expression = expression
    self.start_line = 0
    self.start_column = 0
    self.end_line = 0
    self.end_column = 0
    self.lines = []
    self.is_disabled = False
