fix resource_tracker warning on OSX #920

Job	Run time
lint	35s
build	36s
cleanup_buckets	33s
test-docker	4m 4s
test-linux-bundle	7m 56s
test (ubuntu-latest, 3.7)	6m 3s
test-windows-bundle (windows-2019)	10m 4s
test (ubuntu-latest, 3.8)	45s
test-windows-bundle (windows-latest)	10m 11s
test (ubuntu-latest, 3.9)	46s
test (ubuntu-latest, 3.10)	42s
test (ubuntu-latest, 3.11)	5m 5s
test (ubuntu-latest, 3.12)	1m 2s
test (ubuntu-latest, pypy-3.10-nightly)	8m 0s
test (macos-latest, 3.7)	9m 5s
test (macos-latest, 3.8)	2m 0s
test (macos-latest, 3.9)	1m 19s
test (macos-latest, 3.10)	1m 44s
test (macos-latest, 3.11)	7m 9s
test (macos-latest, 3.12)	3m 2s
test (windows-latest, 3.7)	6m 10s
test (windows-latest, 3.8)	1m 38s
test (windows-latest, 3.9)	1m 19s
test (windows-latest, 3.10)	1m 31s
test (windows-latest, 3.11)	6m 49s
test (windows-latest, 3.12)	1m 41s
doc	54s
	1h 40m 43s

Provide feedback