* rm unnecessary return, change assert to graceful handle
* Add regression test
* Add regression test
* Correct logic
* Rm unnecessary check
This branch is unnecessary, if this condition is true, then ultimately
the executor will do nothing, and we'll simply return anyway.
* Raise NoAliveStates if no alive states to execute
* docstr update
* Update mult_tx_analysis to handle NoAliveStates
* Fancy
* Update test
* Codeclimate fmt
* fmt
* better readability
* add docstr
fb79127bc2