try-except in code samples to fix gps decode error

3-transport/lessons/1-location-tracking/code-gps-decode/pi/gps-sensor/app.py

@@ -22,10 +22,14 @@ def print_gps_data(line):
         print(f'{lat},{lon} - from {msg.num_sats} satellites')
 
 while True:
+    try:
         line = serial.readline().decode('utf-8')
 
         while len(line) > 0:
             print_gps_data(line)
             line = serial.readline().decode('utf-8')
 
+    except UnicodeDecodeError:
+        line = serial.readline().decode('utf-8')
+
     time.sleep(1)

3-transport/lessons/1-location-tracking/code-gps/pi/gps-sensor/app.py

@@ -9,10 +9,14 @@ def print_gps_data():
     print(line.rstrip())
 
 while True:
+    try:
         line = serial.readline().decode('utf-8')
 
         while len(line) > 0:
             print_gps_data()
             line = serial.readline().decode('utf-8')
 
+    except UnicodeDecodeError:
+        line = serial.readline().decode('utf-8')
+
     time.sleep(1)