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Update doc about minimal Python version for async support

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laggardkernel 2021-05-12 05:44:00 +08:00 • committed by Phil Jones
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docs/async-await.rst
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@ -7,7 +7,8 @@ Using ``async`` and ``await``
Routes, error handlers, before request, after request, and teardown Routes, error handlers, before request, after request, and teardown
functions can all be coroutine functions if Flask is installed with the functions can all be coroutine functions if Flask is installed with the
``async`` extra (``pip install flask[async]``). This allows views to be ``async`` extra (``pip install flask[async]``). It requires Python 3.7+
where ``contextvars.ContextVar`` is available. This allows views to be
defined with ``async def`` and use ``await``. defined with ``async def`` and use ``await``.
.. code-block:: python .. code-block:: python

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docs/installation.rst
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@ -8,6 +8,8 @@ Python Version
We recommend using the latest version of Python. Flask supports Python We recommend using the latest version of Python. Flask supports Python
3.6 and newer. 3.6 and newer.
``async`` support in Flask requires Python 3.7+ for ``contextvars.ContextVar``.
Dependencies Dependencies
------------ ------------