From 80bbcd5830d5c85ae30b65ad4ae1549e7fdaef9b Mon Sep 17 00:00:00 2001
From: Jeffrey Phillips Freeman <jeffrey.freeman@syncleus.com>
Date: Sat, 1 Oct 2016 18:50:08 -0400
Subject: [PATCH] cleaning up nil put.

---
 lib/kiss/kiss_serial.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/kiss/kiss_serial.rb b/lib/kiss/kiss_serial.rb
index 6eaeed6..476d07e 100644
--- a/lib/kiss/kiss_serial.rb
+++ b/lib/kiss/kiss_serial.rb
@@ -30,7 +30,9 @@ module Kiss
         protected
         def read_interface
             read_data = @serial.read(@read_bytes)
-            p read_data
+            if read_data != nil
+                p read_data
+            end
             if read_data
                 return read_data.chars.map { |c| c.ord }
             else
-- 
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