Fix mkdir fail under docker #1051

Job	Run time
lint	37s
build	30s
cleanup_buckets	32s
doc	57s
test-linux-bundle	13m 36s
test-docker	11m 26s
test-windows-bundle (windows-2019)	15m 11s
test-windows-bundle (windows-latest)	18m 37s
test (ubuntu-latest, 3.7)	15m 57s
test (ubuntu-latest, 3.8)	1m 0s
test (ubuntu-latest, 3.9)	1m 0s
test (ubuntu-latest, 3.10)	59s
test (ubuntu-latest, 3.11)	55s
test (ubuntu-latest, 3.12)	16m 37s
test (ubuntu-latest, pypy-3.10-nightly)	49m 59s
test (macos-latest, 3.7)	20m 53s
test (macos-latest, 3.8)	1m 25s
test (macos-latest, 3.9)	1m 51s
test (macos-latest, 3.10)	1m 16s
test (macos-latest, 3.11)	1m 11s
test (macos-latest, 3.12)	18m 15s
test (windows-latest, 3.7)	17m 19s
test (windows-latest, 3.8)	2m 18s
test (windows-latest, 3.9)	1m 53s
test (windows-latest, 3.10)	1m 35s
test (windows-latest, 3.11)	1m 58s
test (windows-latest, 3.12)	19m 6s
	3h 56m 53s

Provide feedback