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[JupyterLab] TypeError: object _SessionRequestContextManager can't be used in 'await' expression #4065

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lxyscls opened this issue Sep 17, 2019 · 1 comment
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[JupyterLab] TypeError: object _SessionRequestContextManager can't be used in 'await' expression #4065

lxyscls opened this issue Sep 17, 2019 · 1 comment
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invalid This doesn't seem right wontfix

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@lxyscls
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lxyscls commented Sep 17, 2019

Long story short

resp = await aiohttp.request('GET', 'http://flupy.org/data/flags/cn/cn.gif')
D:\Continuum\anaconda3\lib\site-packages\ipykernel_launcher.py:4: RuntimeWarning: coroutine 'ClientSession._request' was never awaited
  after removing the cwd from sys.path.
RuntimeWarning: Enable tracemalloc to get the object allocation traceback
Unclosed client session
client_session: <aiohttp.client.ClientSession object at 0x0000000008F0B048>

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-30-35d97f3baca0> in async-def-wrapper()

TypeError: object _SessionRequestContextManager can't be used in 'await' expression

Expected behaviour

Get the URL

Actual behaviour

TypeError

Steps to reproduce

Everytime

Your environment

Anaconda 3, Python 3.7.3 aiohttp 3.6.0
@asvetlov asvetlov added invalid This doesn't seem right wontfix labels Sep 17, 2019
@asvetlov
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It deliberately can not.
Please use async with aiohttp.request('GET', 'http://flupy.org/data/flags/cn/cn.gif') as resp: ... to explicitly control the response lifecycle.

@wereii wereii mentioned this issue Feb 28, 2020
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elops added a commit to elops/zebra_ws_print that referenced this issue May 11, 2022
@elops
Refactor outbount http requests
79c0bfe 
    Old construct could not be used any more due to lib change.
    aio-libs/aiohttp#4065

    more on change and how to use it properly
    https://docs.aiohttp.org/en/stable/client_quickstart.html#response-content-and-status-code
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@asvetlov @lxyscls