Small fix

2022-06-25 17:29:55 +02:00
parent e66665c86d
commit 80bce11258
2 changed files with 3 additions and 3 deletions
--- a/extron.py
+++ b/extron.py
@@ -41,7 +41,7 @@ class ExtronSerial(SerialDevice):
    def send_command(self, command: str) -> str:
        response = super().send_command(command)

-        if response[0] == "E":
+        if response and response[0] == "E":
            print(response, self.ERRORS.get(response, "Unknown"))

        return response