Traceback (most recent call last):


 "...\AppData\Local\Programs\Python\Python36-32\lib\runpy.py", line 193, in _run_module_as_main

"__main__", mod_spec)


 "...\AppData\Local\Programs\Python\Python36-32\lib\runpy.py", line 85, in _run_code

exec(code, run_globals)


 "...\main.py", line 24, in <module>

main().main_loop()


 "...\AppData\Local\Programs\Python\Python36-32\lib\site-packages\toga_winforms\app.py", line 49, in main_loop

self._startup()


 "...\AppData\Local\Programs\Python\Python36-32\lib\site-packages\toga_winforms\app.py", line 41, in _startup

self.startup()


 "...\AppData\Local\Programs\Python\Python36-32\lib\site-packages\toga\interface\app.py", line 144, in startup

self.main_window.content = self._startup_method(self)


 "...\main.py", line 9, in build

box = toga.Box()


 "...\AppData\Local\Programs\Python\Python36-32\lib\site-packages\toga_winforms\widgets\box.py", line 10, in __init__

super().__init__(id=id, style=style, children=children)


 "...\AppData\Local\Programs\Python\Python36-32\lib\site-packages\toga\interface\widgets\box.py", line 21, in __init__

super().__init__(id=id, style=style, children=children)


 "...\AppData\Local\Programs\Python\Python36-32\lib\site-packages\toga\interface\widgets\base.py", line 144, in __init__

self.style = CSS()


 "...\AppData\Local\Programs\Python\Python36-32\lib\site-packages\toga\interface\widgets\base.py", line 170, in style

self._style = value.bind(self)
AttributeError: 'CSS' object has no attribute 'bind'

Traceback (most recent call last):


 "updater.py", line 250, in <module>

client.loop_forever()


 "/usr/local/lib/python2.7/site-packages/paho/mqtt/client.py", line 1779, in loop_forever

rc = self.loop(timeout, max_packets)


 "/usr/local/lib/python2.7/site-packages/paho/mqtt/client.py", line 1181, in loop

rc = self.loop_read(max_packets)


 "/usr/local/lib/python2.7/site-packages/paho/mqtt/client.py", line 1572, in loop_read

rc = self._packet_read()


 "/usr/local/lib/python2.7/site-packages/paho/mqtt/client.py", line 2310, in _packet_read

rc = self._packet_handle()


 "/usr/local/lib/python2.7/site-packages/paho/mqtt/client.py", line 2936, in _packet_handle

return self._handle_publish()


 "/usr/local/lib/python2.7/site-packages/paho/mqtt/client.py", line 3216, in _handle_publish

self._handle_on_message(message)


 "/usr/local/lib/python2.7/site-packages/paho/mqtt/client.py", line 3444, in _handle_on_message

self.on_message(self, self._userdata, message)


 "updater.py", line 218, in on_message

print cursor.fetchall()


 "/usr/local/lib/python2.7/site-packages/mysql/connector/cursor_cext.py", line 512, in fetchall

if not self._cnx.unread_result:
AttributeError: 'NoneType' object has no attribute 'unread_result'
