Error with cluster_screens

[nonprofittechy]

formfyxer.cluster_screens(["variable1", "variable2"], tools_token="...")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/quinten/FormFyxer/formfyxer/lit_explorer.py", line 469, in cluster_screens
    vec_mat[i] = vecs[i]
IndexError: list index out of range

[nonprofittechy]

ah, I think it's just a DOCX file without any fields. probably some additional error handling we should add here