diff --git a/esphome/components/modbus/__init__.py b/esphome/components/modbus/__init__.py
index 8b2e75d58c..0846f6e869 100644
--- a/esphome/components/modbus/__init__.py
+++ b/esphome/components/modbus/__init__.py
@@ -51,14 +51,14 @@ CONFIG_SCHEMA = (
     .extend(uart.UART_DEVICE_SCHEMA)
 )
 
+
 def validate_rx_full_threshold_uart(config):
-    uart.final_validate_device_schema(
-        "modbus", rx_full_threshold=1
-    )(config)
+    uart.final_validate_device_schema("modbus", rx_full_threshold=1)(config)
 
 
 FINAL_VALIDATE_SCHEMA = validate_rx_full_threshold_uart
 
+
 async def to_code(config):
     cg.add_global(modbus_ns.using)
     var = cg.new_Pvariable(config[CONF_ID])