Fix HashTrieMap.get to properly take 2 arguments. #496

Job	Run time
list	20s
pre-commit	22s
test (tests-3.8)	35s
test (tests-3.9)	56s
test (tests-3.10)	2m 13s
test (tests-3.11)	33s
test (tests-3.12)	1m 3s
test (tests-pypy3)	37s
test (build)	45s
musllinux (aarch64-unknown-linux-musl)	1m 16s
macos (x86_64)	52s
macos (aarch64)	1m 19s
musllinux (i686-unknown-linux-musl)	1m 23s
sdist	10s
manylinux (x86_64)	1m 34s
musllinux (x86_64-unknown-linux-musl)	1m 22s
manylinux (x86)	1m 41s
windows (x64)	3m 15s
manylinux (aarch64)	1m 40s
windows (x86)	3m 39s
manylinux (armv7)	1m 43s
manylinux (s390x)	1m 46s
manylinux (ppc64le)	1m 33s
release	4m 51s
	35m 28s

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