I use the Python package 'sorcery' [0] in all my production services.
It gives dict unpacking but also a shorthand dict creation like this:
from sorcery import dict_of, unpack_keys
a, b = unpack_keys({'a': 1, 'b': 42})
assert a == 1
assert b == 42
assert dict_of(a, b) == {'a': 1, 'b': 42}