<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def clearReqVars(self):
 """ Function clearHistVars Clear the variables used to get history of all vars @return RETURN: None """

        self.errorMsg = None
        self.payload = None
        self.url = None
        self.resp = None
        self.res = None
        self.method = None
        self.printErrors = None