CallDistanceTransceiver.py: fix an error message

The error is about call_distance, not ring_distance.

diff --git a/src/savemysugar/CallDistanceTransceiver.py b/src/savemysugar/CallDistanceTransceiver.py
index 0ee4169..b89f2a8 100755 (executable)
--- a/src/savemysugar/CallDistanceTransceiver.py
+++ b/src/savemysugar/CallDistanceTransceiver.py
@@ -191,7 +191,7 @@ class CallDistanceTransceiver(object):
             return
 
         # if the code made it up to here, something fishy is going on
-        logging.error("Unexpected distance: %.2f", ring_distance)
+        logging.error("Unexpected distance: %.2f", call_distance)
         logging.error("Check the transmitter and receiver parameters")
 
     def receive_loop(self):