Using Pandas to read XLSX file from Google Drive: "The truth value of a DataFrame is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all()."

Question

I'm trying to read a file downloaded from Google Drive using Pandas, in Python. I'm running the code under Python 3.9, using Pipedream.

Using the following code:

import pandas as pd
import openpyxl

def handler(pipedream: "pipedream"):
    # Reference data from previous steps
    #print(pipedream.steps["trigger"]["context"]["id"])


    df = pd.read_excel('/tmp/file.xlsx', sheet_name='LIST_Client_2023-05-04-')

    # Return data for use in future steps
    return df

Using this file content

I'm getting this error which seems to be related to the data? but I'm not doing anything particular.