bug: algorithm crash "AttributeError"

[shrouxm]

Site info

coordinate: -121.2375031, 47.3597221
pedon key in test CSV: 19922

traceback

Traceback (most recent call last):
  File "/home/roux/terraso/soil-id-algorithm/soil_id/tests/us/test_us.py", line 118, in test_with_real_data
    result_record["rank_result"] = rank_soils(
                                   ^^^^^^^^^^^
  File "/home/roux/terraso/soil-id-algorithm/soil_id/us_soil.py", line 1694, in rank_soils
    soilIDRank_output_pd = pd.read_csv(io.StringIO(list_output_data.rank_data_csv))
                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'str' object has no attribute 'rank_data_csv'