From 6914eaacf3ef1b294f6a7321cce5eced096558d9 Mon Sep 17 00:00:00 2001
From: lady ada <limor@ladyada.net>
Date: Thu, 22 Jul 2021 20:44:30 -0400
Subject: [PATCH] something seems to have broken with the passthru of in_end,
 fixing it to not be None makes it oK (?)

---
 adafruit_debug_i2c.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/adafruit_debug_i2c.py b/adafruit_debug_i2c.py
index b5ba725..8d6dee4 100644
--- a/adafruit_debug_i2c.py
+++ b/adafruit_debug_i2c.py
@@ -166,7 +166,8 @@ def _writeto_then_readfrom(
         """
         out_buffer_str = ", ".join([hex(i) for i in buffer_out[out_start:out_end]])
         print("\tI2CWRITE @ {} ::".format(hex(address)), out_buffer_str)
-
+        if in_end is None:
+            in_end = len(buffer_in)
         self._i2c.writeto_then_readfrom(
             address,
             buffer_out,