add type for raw

2023-08-14 23:52:49 +02:00 · 2023-08-14 23:52:49 +02:00 · b08f29429f
commit b08f29429f
parent 770a4b9836
1 changed files with 1 additions and 1 deletions
--- a/src/escpos/escpos.py
+++ b/src/escpos/escpos.py
@ -128,7 +128,7 @@ class Escpos(object):
        self.close()

    @abstractmethod
-    def _raw(self, msg):
+    def _raw(self, msg: bytes):
        """Send raw data to the printer.

        This function has to be individually implemented by the implementations.