setop/python-escpos
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Update src/escpos/printer/lp.py

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Add return type

Co-authored-by: Patrick Kanzler <4189642+patkan@users.noreply.github.com>
This commit is contained in:
Benito López
2023-09-25 18:45:33 +02:00
committed by GitHub
parent 5062a09b0a
commit 59579c477d
1 changed files with 1 additions and 1 deletions
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src/escpos/printer/lp.py
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@@ -155,7 +155,7 @@ class LP(Escpos):
self.device.terminate()
self._device = False
def flush(self):
def flush(self) -> None:
"""End line and wait for new commands."""
if self.device.stdin.writable():
self.device.stdin.write(b"\n")