From 6bba285f8e1485f9f3b9dc7d4e07708d658698e3 Mon Sep 17 00:00:00 2001
From: Kevin O'Connor <kevin@koconnor.net>
Date: Thu, 17 Sep 2020 02:16:29 -0400
Subject: [PATCH] gcode: Don't log debugging output for unknown commands if
 command is blank

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
---
 klippy/gcode.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/klippy/gcode.py b/klippy/gcode.py
index e15301f9..f34b9ea2 100644
--- a/klippy/gcode.py
+++ b/klippy/gcode.py
@@ -251,7 +251,9 @@ class GCodeDispatch:
             raise gcmd.error(self.printer.get_state_message()[0])
             return
         if not cmd:
-            logging.debug(gcmd.get_commandline())
+            cmdline = gcmd.get_commandline()
+            if cmdline:
+                logging.debug(cmdline)
             return
         if cmd.startswith("M117 "):
             # Handle M117 gcode with numeric and special characters