replaced global robot with robot = Robot.get_instance() to avoid issues with robot instance being cached in flask app that would cause unit tests to fail
replaced global robot with robot = Robot.get_instance() to avoid issues with robot instance being cached in flask app that would cause unit tests to fail

OpenTrons/opentrons-api,OpenTrons/opentrons_sdk,OpenTrons/opentrons-api,OpenTrons/opentrons-api,Opentrons/labware,OpenTrons/opentrons-api,OpenTrons/opentrons-api