Added short sleep for rosbag subprocess to clean up after being closed #5
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Was getting file not exist error from the sanity check. Think it is due to a timing issue with the rosbag subprocess not fully cleaning up before getting to the sanity check.
Tried doing a while p.poll() loop to properly wait on the subprocess but didn't work. Just threw a short sleep after the terminate signal instead.
Adds a second to the runtime, but don't have to manually sanity check.