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add none annotations

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This commit is contained in:
Patrick Kanzler
2023-12-16 22:21:41 +01:00
parent 6831ae0a44
commit 125a078630
10 changed files with 24 additions and 24 deletions
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2
test/test_functions/test_function_cashdraw.py
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@@ -6,7 +6,7 @@ import escpos.printer as printer
from escpos.exceptions import CashDrawerError
def test_raise_CashDrawerError():
def test_raise_CashDrawerError() -> None:
"""should raise an error if the sequence is invalid."""
instance = printer.Dummy()
with pytest.raises(CashDrawerError):