diff --git a/adafruit_bus_device/i2c_device.py b/adafruit_bus_device/i2c_device.py
index 2e9d3b7..220d98d 100644
--- a/adafruit_bus_device/i2c_device.py
+++ b/adafruit_bus_device/i2c_device.py
@@ -110,7 +110,7 @@ def write_then_readinto(
         out_start=0,
         out_end=None,
         in_start=0,
-        in_end=None,
+        in_end=None
     ):
         """
         Write the bytes from ``out_buffer`` to the device, then immediately