Python 3.7.0b4 async keyword incompatibility

[mingwandroid]

import: 'elasticsearch_async'
Traceback (most recent call last):
  File "/opt/conda/conda-bld/elasticsearch-async_1525571278323/test_tmp/run_test.py", line 2, in <module>
    import elasticsearch_async
  File "/opt/conda/conda-bld/elasticsearch-async_1525571278323/_test_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.7/site-packages/elasticsearch_async/__init__.py", line 1, in <module>
    from .transport import AsyncTransport
  File "/opt/conda/conda-bld/elasticsearch-async_1525571278323/_test_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.7/site-packages/elasticsearch_async/transport.py", line 9, in <module>
    from .helpers import ensure_future
  File "/opt/conda/conda-bld/elasticsearch-async_1525571278323/_test_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_/lib/python3.7/site-packages/elasticsearch_async/helpers.py", line 3
    ensure_future = getattr(asyncio, 'ensure_future', asyncio.async)
                                                                  ^

[hroncok]

3.7 final is out. the code could be changed to:

ensure_future = getattr(asyncio, 'ensure_future', getattr(asyncio, 'ensure_future', 'async'))

[hroncok]

#47

[jvcop]

Is there any chance that this will be fixed for version 5, too? I can make a pull request if it helps. Right now, this is causing us trouble on a production system that runs Elasticsearch 5.

[fxdgear]

Is there any chance that this will be fixed for version 5, too? I can make a pull request if it helps. Right now, this is causing us trouble on a production system that runs Elasticsearch 5.

a pull request would be greatly appreciated.

[jvcop]

@fxdgear Done!