Brad discovered a nasty bug in Storm's SQLObject compatibility layer
that you should be aware of. The is_empty method there inverts its
result: it returns False for an empty result and True for a nonempty
one. Storm's native is_empty does not have this problem.
He also found that fixing this would break __nonzero__ on the same
class, which compensated for the bug by not negating is_empty's result.
After much hard work and lengthy deliberation(*), we crafted an advanced
solution(**) which has now been reviewed and landed in lp:storm.
It'd be good to have this fix in Launchpad soon. The bug is here:
https://bugs.launchpad.net/storm/+bug/659078
Jeroen
(*) I may be exaggerating slightly.
(**) I'm definitely exaggerating.
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