[GitHub] [airflow] XD-DENG commented on issue #5469: [AIRFLOW-4842] Add Py2 deprecation notice

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

XD-DENG commented on issue #5469: [AIRFLOW-4842] Add Py2 deprecation notice
URL: https://github.com/apache/airflow/pull/5469#issuecomment-505302977
 
 
   Observe error
   
   ```
   51) ERROR: Failure: SyntaxError (invalid syntax (branch_operator.py, line 51))
   ----------------------------------------------------------------------
      Traceback (most recent call last):
       .tox/py27-backend_mysql-env_docker/lib/python2.7/site-packages/nose/loader.py line 418 in loadTestsFromName
         addr.filename, addr.module)
       .tox/py27-backend_mysql-env_docker/lib/python2.7/site-packages/nose/importer.py line 47 in importFromPath
         return self.importFromDir(dir_path, fqname)
       .tox/py27-backend_mysql-env_docker/lib/python2.7/site-packages/nose/importer.py line 94 in importFromDir
         mod = load_module(part_fqname, fh, filename, desc)
       tests/operators/test_branch_operator.py line 25 in <module>
         from airflow.operators.branch_operator import BaseBranchOperator
      SyntaxError: invalid syntax (branch_operator.py, line 51)
   ```
   
   Only Py2 tests failed, and caused by this line: https://github.com/apache/airflow/blob/v1-10-test/airflow/operators/branch_operator.py#L51
   
   ```python
   def execute(self, context: Dict):
   ```
   

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