Get a file uploaded from the previous step

To get a file that was uploaded via a File Field in the previous step:

records = seal.get_previous_step_records()

# the previous step has a record with a file field named "File"
fie_id = records[0]['fields']['File']['value']

# download the file to the VM's temp filesystem
file_path = seal.download_file(file_id)

# load that file into a pandas dataframe
df = pd.read_csv(file_path)