set_global_backend(backend, coerce=False, only=False, *, try_last=False)¶
This utility method replaces the default backend for permanent use. It will be tried in the list of backends automatically, unless the
onlyflag is set on a backend. This will be the first tried backend outside the
Note that this method is not thread-safe.
We caution library authors against using this function in their code. We do not support this use-case. This function is meant to be used only by users themselves, or by a reference implementation, if one exists.