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gh-99238: clarify the type of the env dict. (#99253)

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Gregory P. Smith 2022-11-08 13:00:31 -08:00 committed by GitHub
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@ -81,8 +81,10 @@ underlying :class:`Popen` interface can be used directly.
If *env* is not ``None``, it must be a mapping that defines the environment If *env* is not ``None``, it must be a mapping that defines the environment
variables for the new process; these are used instead of the default variables for the new process; these are used instead of the default
behavior of inheriting the current process' environment. It is passed directly behavior of inheriting the current process' environment. It is passed
to :class:`Popen`. directly to :class:`Popen`. This mapping can be str to str on any platform
or bytes to bytes on POSIX platforms much like :data:`os.environ` or
:data:`os.environb`.
Examples:: Examples::
@ -619,7 +621,9 @@ functions.
If *env* is not ``None``, it must be a mapping that defines the environment If *env* is not ``None``, it must be a mapping that defines the environment
variables for the new process; these are used instead of the default variables for the new process; these are used instead of the default
behavior of inheriting the current process' environment. behavior of inheriting the current process' environment. This mapping can be
str to str on any platform or bytes to bytes on POSIX platforms much like
:data:`os.environ` or :data:`os.environb`.
.. note:: .. note::