modem.connect() does not work with Python 3 about python-gsmmodem HOT 6 OPEN

Sometimes it runs to 'AT+CFUN?' with python 3.6

INFO: Connecting to modem on port /dev/ttyUSB0 at 115200bps
DEBUG: write: ATZ
DEBUG: response: ['OK']
DEBUG: write: ATE0
DEBUG: response: ['OK']
DEBUG: write: AT+CFUN?
DEBUG: response: ['OK']
Failed to connect the modem: 'NoneType' object is not subscriptable

from python-gsmmodem.

Hi guangyuzhang!
Could you rerun the test and post which line of code causes your issue?

from python-gsmmodem.

Hi guangyuzhang!
Could you rerun the test and post which line of code causes your issue?

INFO: Connecting to modem on port /dev/ttyUSB0 at 115200bps
DEBUG: write: AT
DEBUG: response: ['OK']
DEBUG: write: ATZ
Failed to connect the modem: None
^CTraceback (most recent call last):
File "test_send.py", line 18, in main
modem.connect(pin=None, waitingForModemToStartInSeconds=20)
File "/usr/local/lib/python3.6/dist-packages/python_gsmmodem_new-0.12-py3.6.egg/gsmmodem/modem.py", line 210, in connect
File "/usr/local/lib/python3.6/dist-packages/python_gsmmodem_new-0.12-py3.6.egg/gsmmodem/modem.py", line 458, in write
File "/usr/local/lib/python3.6/dist-packages/python_gsmmodem_new-0.12-py3.6.egg/gsmmodem/serial_comms.py", line 144, in write
gsmmodem.exceptions.TimeoutException: None

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "test_send.py", line 45, in
main()
File "test_send.py", line 23, in main
modem.close()
File "/usr/local/lib/python3.6/dist-packages/python_gsmmodem_new-0.12-py3.6.egg/gsmmodem/serial_comms.py", line 62, in close
File "/usr/local/lib/python3.6/dist-packages/pyserial-3.4-py3.6.egg/serial/serialposix.py", line 474, in close
KeyboardInterrupt

from python-gsmmodem.

Hi guangyuzhang!
Could you rerun the test and post which line of code causes your issue?

INFO: Connecting to modem on port /dev/ttyUSB0 at 115200bps
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: response: ['OK']
DEBUG: write: ATZ
DEBUG: response: ['OK']
DEBUG: write: ATE0
Failed to connect the modem: None
^CTraceback (most recent call last):
File "test_send.py", line 18, in main
modem.connect(pin=None, waitingForModemToStartInSeconds=10)
File "/usr/local/lib/python3.6/dist-packages/python_gsmmodem_new-0.12-py3.6.egg/gsmmodem/modem.py", line 221, in connect
File "/usr/local/lib/python3.6/dist-packages/python_gsmmodem_new-0.12-py3.6.egg/gsmmodem/modem.py", line 458, in write
File "/usr/local/lib/python3.6/dist-packages/python_gsmmodem_new-0.12-py3.6.egg/gsmmodem/serial_comms.py", line 144, in write
gsmmodem.exceptions.TimeoutException: None

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "test_send.py", line 45, in
main()
File "test_send.py", line 23, in main
modem.close()
File "/usr/local/lib/python3.6/dist-packages/python_gsmmodem_new-0.12-py3.6.egg/gsmmodem/serial_comms.py", line 62, in close
File "/usr/local/lib/python3.6/dist-packages/pyserial-3.4-py3.6.egg/serial/serialposix.py", line 474, in close
KeyboardInterrupt

from python-gsmmodem.

Hi guangyuzhang!
Could you rerun the test and post which line of code causes your issue?

INFO: Connecting to modem on port /dev/ttyUSB0 at 115200bps
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: write: AT
DEBUG: response: ['OK']
DEBUG: write: ATZ
DEBUG: response: ['OK']
DEBUG: write: ATE0
DEBUG: response: ['OK']
DEBUG: write: AT+CFUN?
DEBUG: response: ['OK']
Failed to connect the modem: 'NoneType' object is not subscriptable

from python-gsmmodem.

Hi, i have the same error.
Do you already know how to solve the problem?

from python-gsmmodem.