Use default robot if OT_ROBOT_CONFIG envvar is not defined
Use default robot if OT_ROBOT_CONFIG envvar is not defined

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