minor change

IPOS.py

@@ -38,8 +38,8 @@ def read_serial(number):
     with serial.Serial('/dev/ttyUSB0', 115200, timeout=1) as ser:
         for x in range(number):
             line = ser.readline()   # read a '\n' terminated line
-            number_found = extractNumbersFromLine(line.decode("utf-8"));
             print(line)
+            number_found = extractNumbersFromLine(line.decode("utf-8"));
             if(len(number_found)>=4):
                 tag, distance = get_distance(number_found);
                 print(tag, distance)