tcpros_base.py:160: too many values to unpack

[gavanderhoorn]

With a Python 3.8.5 venv and rospy installed from rospypi, termination of scripts can result in the following traceback:

Traceback (most recent call last):
  File "C:\Python38\lib\threading.py", line 932, in _bootstrap_inner
    self.run()
  File "C:\Python38\lib\threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "C:\...\venv_rospypi\lib\site-packages\rospy\impl\tcpros_base.py", line 160, in run
    (e_errno, msg) = e.args
ValueError: too many values to unpack (expected 2)

On that system, e.args is actually a 3-tuple: errno, function, msg. Upstream rospy seems to handle that (from here):

except IOError as e:
    (e_errno, msg, *_) = e.args

(although I don't believe msg will actually contain the message in that case)

This was fixed in ros/ros_comm#2050 in rospy.

Is that not included in the rospy distributed by rospypi?

[otamachan]

Thank you for your feedback!
I'll release the ros_comm(1.15.11) soon.

[gavanderhoorn]

Thank you for fixing this up so quickly 👍