This may be unavoidable but `while True:` can often end in an infinite number of tears. Is there anything returned from the bz service call, like the total number of results available that would remove the requirement for `while True:`? If not, you might consider putting a hard limit on the number of iterations so the loop is guaranteed to hit a `break` at some point.  If paging works as expected in the bz service call this won't be a problem but might want to add a safe gaurd...