Make reinitialize_command's return type Generic when "command" argume… #11

Job	Run time
ci_setuptools (3.10, ubuntu-latest)	12s
collateral (diffcov)	27s
test_cygwin (39, windows-latest)	4m 14s
collateral (docs)	26s
test (3.8, ubuntu-latest)	30s
test (3.8, macos-latest)	32s
test (3.8, windows-latest)	30s
test_msvc_python_mingw	1m 42s
test (3.13, ubuntu-latest)	38s
test_msys2_mingw (mingw64, x86_64, gcc, g++)	1m 34s
test (3.13, macos-latest)	29s
test_msys2_mingw (mingw32, i686, gcc, g++)	1m 37s
test (3.13, windows-latest)	29s
test (3.9, ubuntu-latest)	30s
test (3.10, ubuntu-latest)	28s
test_msys2_mingw (ucrt64, ucrt-x86_64, gcc, g++)	1m 8s
test (3.11, ubuntu-latest)	26s
test_msys2_mingw (clang64, clang-x86_64, clang, clang++)	1m 36s
test (3.12, ubuntu-latest)	29s
test (3.14, ubuntu-latest)	41s
test (pypy3.10, ubuntu-latest)	42s
check	2s
release	0s
	19m 22s

Provide feedback