@ -628,7 +628,7 @@ class MIoTDevice:
# pylint: disable=import-outside-toplevel
from homeassistant.const import UnitOfConductivity
unit_map['μS/cm'] = UnitOfConductivity.MICROSIEMENS_PER_CM
except ImportError:
except Exception: # pylint: disable=broad-except
unit_map['μS/cm'] = 'μS/cm'
return unit_map.get(spec_unit, None)