def get_qualification_score(self, qualification_id, worker_id):
try:<EOL><INDENT>response = self.mturk.get_qualification_score(<EOL>QualificationTypeId=qualification_id, WorkerId=worker_id<EOL>)<EOL><DEDENT>except ClientError as ex:<EOL><INDENT>error = str(ex)<EOL>if "<STR_LIT>" in error:<EOL><INDENT>raise WorkerLacksQualification(<EOL>"<STR_LIT>".format(<EOL>worker_id, qualification_id<EOL>)<EOL>)<EOL><DEDENT>if "<STR_LIT>" in error:<EOL><INDENT>raise RevokedQualification(<EOL>"<STR_LIT>".format(<EOL>worker_id, qualification_id<EOL>)<EOL>)<EOL><DEDENT>raise MTurkServiceException(error)<EOL><DEDENT>return response["<STR_LIT>"]["<STR_LIT>"]<EOL>
Return a worker's qualification score as an iteger.