Fix module not found #28

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Run time

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Job	Run time
test-on-windows (3.9)	5m 55s
test (3.9, ubuntu-latest)	48s
test (3.9, macos-latest)	44s
test (3.10, ubuntu-latest)	38s
test (3.10, macos-latest)	48s
test-on-windows (3.10)	4m 0s
test-conda (3.9)	1m 25s
test-on-windows (3.11)	5m 41s
test (3.11, ubuntu-latest)	38s
test-conda (3.10)	1m 6s
test-on-windows (3.12)	3m 16s
test (3.11, macos-latest)	35s
test-conda (3.11)	59s
test (3.12, ubuntu-latest)	48s
test-conda (3.12)	1m 11s
test (3.12, macos-latest)	38s
	29m 10s