Correctly handle empty data in async sensor

timofurrer · Aug 31, 2020 · ef9d95d · ef9d95d
1 parent 0d60fea
commit ef9d95d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/w1thermsensor/async_core.py b/src/w1thermsensor/async_core.py
@@ -62,7 +62,9 @@ async def get_raw_sensor_strings(self) -> List[str]:  # type: ignore
             )
 
         if (
-            data[0].strip()[-3:] != "YES" or "00 00 00 00 00 00 00 00 00" in data[0]
+            len(data) < 1
+            or data[0].strip()[-3:] != "YES"
+            or "00 00 00 00 00 00 00 00 00" in data[0]
         ):  # pragma: no cover
             raise SensorNotReadyError(self)