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I recently run into the same problem on an Ubuntu 18.04 LTS machine with ROS Melodic.
We managed to solve the issue thanks to this closed thread in the ros_comm Github thread.
The quickest fix is for you to locate the /opt/ros/kinetic/lib/python2.7/dist-packages/message_filters/__init__.py file in your system and change the problematic line as follows:
for vv in itertools.product([zip(s)[0] for s in stamps]):
for vv in itertools.product([next(iter(zip(s))) for s in stamps]):
as done in [627b5af] commit to ros_comm.
| | 2 | No.2 Revision |
I am almost one year late but leaving my answer here hoping that it will be helpful to someone in the future.
I recently run into the same problem on an Ubuntu 18.04 LTS machine with ROS Melodic.
We managed to solve the issue thanks to this closed thread in the ros_comm Github thread.
The quickest fix is for you to locate the /opt/ros/kinetic/lib/python2.7/dist-packages/message_filters/__init__.py file in your system and change the problematic line as follows:
for vv in itertools.product([zip(s)[0] for s in stamps]):
for vv in itertools.product([next(iter(zip(s))) for s in stamps]):
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