[Django]-Type object has not attribute 'get_or_create'

You forget objects

lidar, created = LidarReading.objects.get_or_create(value=t['lidarreading_value'],
    roll=t['lidarreading_roll'],
    pitch=t['lidarreading_pitch'],
    yaw=t['lidarreading_yaw'],
    coordinates=flight_coordinate,
    created=t['lidarreading_created'])