[GitHub] [airflow] hagope edited a comment on issue #7628: [AIRFLOW-4363] Fix JSON encoding error

[GitBox <gi...@apache.org>]

hagope edited a comment on issue #7628:
URL: https://github.com/apache/airflow/pull/7628#issuecomment-616861581


   After upgrading from 1.10.9 to 1.10.10, you may see the following error:
   ```
   [2020-04-20 23:14:44,087] {{docker_operator.py:267}} INFO - Pulling docker image XXXX:latest
   [2020-04-20 23:14:44,140] {{taskinstance.py:1145}} ERROR - 'dict' object has no attribute 'decode'
   Traceback (most recent call last):
     File "/usr/local/lib/python3.7/site-packages/airflow/models/taskinstance.py", line 983, in _run_raw_task
       result = task_copy.execute(context=context)
     File "/usr/local/lib/python3.7/site-packages/airflow/operators/docker_operator.py", line 269, in execute
       output = json.loads(l.decode('utf-8').strip())
   AttributeError: 'dict' object has no attribute 'decode'
   ```
   You can patch this in your Dockerfile by adding the following (per @brokenjacobs above):
   ```
   RUN sed -i '268s/l/output/' /usr/local/lib/python3.7/site-packages/airflow/operators/docker_operator.py
   RUN sed -i '269s/output/#output/' /usr/local/lib/python3.7/site-packages/airflow/operators/docker_operator.py
   ```


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