diff --git a/custom_components/localtuya/fan.py b/custom_components/localtuya/fan.py
index 6379f5f..584ea84 100644
--- a/custom_components/localtuya/fan.py
+++ b/custom_components/localtuya/fan.py
@@ -32,7 +32,7 @@ from .const import (
     CONF_FAN_SPEED_CONTROL,
     CONF_FAN_SPEED_MAX,
     CONF_FAN_SPEED_MIN,
-    CONF_FAN_DPS_TYPE
+    CONF_FAN_DPS_TYPE,
 )
 
 _LOGGER = logging.getLogger(__name__)
@@ -49,7 +49,7 @@ def flow_schema(dps):
         vol.Optional(CONF_FAN_SPEED_MIN, default=1): cv.positive_int,
         vol.Optional(CONF_FAN_SPEED_MAX, default=9): cv.positive_int,
         vol.Optional(CONF_FAN_ORDERED_LIST, default="disabled"): cv.string,
-        vol.Optional(CONF_FAN_DPS_TYPE, default='str'): vol.In(["str", "int"]),
+        vol.Optional(CONF_FAN_DPS_TYPE, default="str"): vol.In(["str", "int"]),
     }