python sciencenet_spider.py
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Traceback (most recent call last):
  File "sciencenet_spider.py", line 19, in <module>
    MySpider.run()
  File "/Users/endafarrell/anaconda/anaconda3/lib/python3.6/site-packages/gain/spider.py", line 52, in run
    loop.run_until_complete(cls.init_parse(semaphore))
  File "/Users/endafarrell/anaconda/anaconda3/lib/python3.6/asyncio/base_events.py", line 467, in run_until_complete
    return future.result()
  File "/Users/endafarrell/anaconda/anaconda3/lib/python3.6/site-packages/gain/spider.py", line 71, in init_parse
    with aiohttp.ClientSession() as session:
  File "/Users/endafarrell/anaconda/anaconda3/lib/python3.6/site-packages/aiohttp/client.py", line 746, in __enter__
    raise TypeError("Use async with instead")
TypeError: Use async with instead
sys:1: RuntimeWarning: coroutine 'Parser.task' was never awaited
[2018:04:14 22:21:26] Unclosed client session
client_session: <aiohttp.client.ClientSession object at 0x105b07cf8>

python
Python 3.6.4 |Anaconda, Inc.| (default, Jan 16 2018, 12:04:33)
[GCC 4.2.1 Compatible Clang 4.0.1 (tags/RELEASE_401/final)] on darwin

pip list | grep gain
gain                               0.1.4

pip install gain