Improve exception handling

packet_handlers.py

@@ -18,8 +18,6 @@ def handle_join_game(packet, g):
 
 def handle_block_change(packet, g):
     l = g.local_state
-    print('block change:')
-    print(packet)
 
     if packet.block_state_id == 3887:
         try:
@@ -92,6 +90,10 @@ def handle_chat(message, g):
     if command == 'afk':
         reply = '/afk'
 
+    if command == 'error':
+        reply = 'ok'
+        raise
+
     if reply:
         print(reply)
         g.chat.send(reply)