invest/tests/test_datastack_modules/vector.py

from natcap.invest import spec

MODEL_SPEC = spec.ModelSpec(inputs=[
    spec.VectorInput(
        id='vector', fields={}, geometry_types={})],
    outputs={},
    model_id='vector_model',
    model_title='',
    userguide='',
    input_field_order=[]
)