[AIRFLOW-6820] fixup! fix unbound variable (#7459)
[AIRFLOW-6820] fixup! fix unbound variable (#7459)


danielvdende/incubator-airflow,Acehaidrey/incubator-airflow,Acehaidrey/incubator-airflow,wooga/airflow,sekikn/incubator-airflow,lyft/incubator-airflow,mistercrunch/airflow,nathanielvarona/airflow,Acehaidrey/incubator-airflow,wooga/airflow,apache/incubator-airflow,mrkm4ntr/incubator-airflow,airbnb/airflow,cfei18/incubator-airflow,mtagle/airflow,dhuang/incubator-airflow,dhuang/incubator-airflow,mrkm4ntr/incubator-airflow,cfei18/incubator-airflow,DinoCow/airflow,apache/incubator-airflow,danielvdende/incubator-airflow,apache/incubator-airflow,wooga/airflow,mtagle/airflow,apache/incubator-airflow,apache/airflow,cfei18/incubator-airflow,DinoCow/airflow,Acehaidrey/incubator-airflow,nathanielvarona/airflow,airbnb/airflow,mistercrunch/airflow,lyft/incubator-airflow,Acehaidrey/incubator-airflow,nathanielvarona/airflow,sekikn/incubator-airflow,dhuang/incubator-airflow,mtagle/airflow,wooga/airflow,apache/airflow,cfei18/incubator-airflow,mrkm4ntr/incubator-airflow,DinoCow/airflow,Acehaidrey/incubator-airflow,lyft/incubator-airflow,apache/airflow,dhuang/incubator-airflow,mrkm4ntr/incubator-airflow,bolkedebruin/airflow,danielvdende/incubator-airflow,apache/airflow,lyft/incubator-airflow,mistercrunch/airflow,bolkedebruin/airflow,nathanielvarona/airflow,airbnb/airflow,sekikn/incubator-airflow,bolkedebruin/airflow,nathanielvarona/airflow,danielvdende/incubator-airflow,airbnb/airflow,cfei18/incubator-airflow,DinoCow/airflow,sekikn/incubator-airflow,bolkedebruin/airflow,danielvdende/incubator-airflow,mistercrunch/airflow,danielvdende/incubator-airflow,nathanielvarona/airflow,cfei18/incubator-airflow,bolkedebruin/airflow,apache/airflow,mtagle/airflow,apache/airflow