Update waveshare_epaper.cpp #31

Job	Run time
compile-tests-list	4s
Create common environment	9s
Check flake8	14s
Run script/ci-custom	7s
Check black	13s
Check clang-format	22s
Check pylint	1m 31s
Run pytest	15s
Check pyupgrade	10s
Validate YAML test tests/test1.1.yaml	5s
Validate YAML test tests/test1.yaml	13s
Validate YAML test tests/test10.yaml	6s
Validate YAML test tests/test11.5.yaml	6s
Validate YAML test tests/test2.yaml	7s
Validate YAML test tests/test3.1.yaml	9s
Validate YAML test tests/test3.yaml	7s
Validate YAML test tests/test4.yaml	7s
Validate YAML test tests/test5.yaml	9s
Validate YAML test tests/test6.yaml	5s
Validate YAML test tests/test7.yaml	9s
Validate YAML test tests/test8.yaml	6s
Validate YAML test tests/test9.1.yaml	5s
Validate YAML test tests/test9.yaml	7s
${{ matrix.name }}	0s
Run YAML test ${{ matrix.file }}	0s
CI Status	1s
	4m 47s

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