diff --git a/custom_components/versatile_thermostat/climate.py b/custom_components/versatile_thermostat/climate.py
index 764ddf1..699f14c 100644
--- a/custom_components/versatile_thermostat/climate.py
+++ b/custom_components/versatile_thermostat/climate.py
@@ -1578,7 +1578,7 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
         )
 
         _LOGGER.info(
-            "%s - Underlying climate changed. Event.new_state is %s, hvac_mode=%s, hvac_action=%s, old_hvac_action=%s",
+            "%s - Underlying climate changed. Event.new_state is %s, current_hvac_mode=%s, new_hvac_action=%s, old_hvac_action=%s",
             self,
             new_state,
             self._hvac_mode,
diff --git a/custom_components/versatile_thermostat/requirements_dev.txt b/custom_components/versatile_thermostat/requirements_dev.txt
index 67296d7..3c057e4 100644
--- a/custom_components/versatile_thermostat/requirements_dev.txt
+++ b/custom_components/versatile_thermostat/requirements_dev.txt
@@ -1 +1,2 @@
-homeassistant
\ No newline at end of file
+homeassistant
+ffmpeg
\ No newline at end of file
diff --git a/custom_components/versatile_thermostat/tests/commons.py b/custom_components/versatile_thermostat/tests/commons.py
index 80046ad..6158f84 100644
--- a/custom_components/versatile_thermostat/tests/commons.py
+++ b/custom_components/versatile_thermostat/tests/commons.py
@@ -2,7 +2,7 @@
 import asyncio
 import logging
 from unittest.mock import patch, MagicMock
-import pytest
+import pytest  # pylint: disable=unused-import
 
 from homeassistant.core import HomeAssistant, Event, EVENT_STATE_CHANGED, State
 from homeassistant.const import UnitOfTemperature, STATE_ON, STATE_OFF
diff --git a/custom_components/versatile_thermostat/tests/test_binary_sensors.py b/custom_components/versatile_thermostat/tests/test_binary_sensors.py
index e1ad6c6..70e5970 100644
--- a/custom_components/versatile_thermostat/tests/test_binary_sensors.py
+++ b/custom_components/versatile_thermostat/tests/test_binary_sensors.py
@@ -9,7 +9,7 @@ from homeassistant.components.binary_sensor import BinarySensorDeviceClass
 
 from pytest_homeassistant_custom_component.common import MockConfigEntry
 
-from .commons import *
+from .commons import *  # pylint: disable=wildcard-import, unused-wildcard-import
 from ..climate import VersatileThermostat
 from ..binary_sensor import (
     SecurityBinarySensor,