Revert, lets solve through #294

Author: CoMPaTech

plugwise/util.py

@@ -82,9 +82,12 @@ def in_between(
 
 
 # NOTE: this function version_to_model is shared between Smile and USB
-def version_to_model(version: str) -> str | None:
+def version_to_model(version: str | None) -> str | None:
     """Translate hardware_version to device type."""
 
+    if version is None:  # pragma: no cover #294
+        return version
+
     model = HW_MODELS.get(version)
     if model is None:
         model = HW_MODELS.get(version[4:10])