i got a problem with the Fileupload Widget in Jupyter import pandas as pd import ipywidgets as widgets from ipywidgets import FileUpload from IPython.display import display upload = FileUpload(accept='.xlsx', multiple=False) def on_file_upload(change): uploaded_file = list(change['new'].values())[0] content = uploaded_file['content'] df = pd.read_excel(content) display(df.head()) upload.observe(on_file_upload, names='value') display(upload) In uploaded_file = list(change['new'].values())[0] i get the error AttributeError: 'tuple' object has no attribute 'values' Already tried everything and read the documentation but cant find a solution. Hope someone can help. A table is in the excel and i got 2 sheets inside. Continue reading...