Fix runner.py to handle errors (#485)
Fix runner.py to handle errors (#485)

Signed-off-by: Dmitry Surnin <6e7734d0b1da45d692e5f276d91b792ec4adc847@dsr-company.com>
spivachuk/sovrin-node,spivachuk/sovrin-node,TechWritingWhiz/indy-node,TechWritingWhiz/indy-node,TechWritingWhiz/indy-node,TechWritingWhiz/indy-node,spivachuk/sovrin-node,spivachuk/sovrin-node