Fix type annotation (#88)

bieniu · May 29, 2022 · 70f3f4c · 70f3f4c
1 parent c9b079f
commit 70f3f4c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/brother/__init__.py b/brother/__init__.py
@@ -80,9 +80,9 @@ def __init__(
 
         self._legacy = False
 
-        self.firmware = None
+        self.firmware: str | None = None
         self.model: str | None = None
-        self.serial = None
+        self.serial: str
         self._host = host
         self._port = port
         self._last_uptime: datetime | None = None