diff --git a/hardware_interface/i2c_communication.py b/hardware_interface/i2c_communication.py
index 6a11813..8c8a4e0 100644
--- a/hardware_interface/i2c_communication.py
+++ b/hardware_interface/i2c_communication.py
@@ -1,5 +1,6 @@
 import smbus
 
+
 def open_i2c_bus(bus_number):
     # Open an I2C bus using smbus or Adafruit-I2C
 
@@ -7,11 +8,13 @@ def open_i2c_bus(bus_number):
 
     return bus
 
+
 def write_i2c_data(bus, address, data):
     # Write data to an I2C device
 
     bus.write_i2c_block_data(address, 0, data)
 
+
 def read_i2c_data(bus, address, num_bytes):
     # Read data from an I2C device