Disclaimer: If you run into this error, there’s a high chance you’re actually trying to solve a different problem. Instead of fixing this directly, it might be better to step back and rethink what you're really trying to do - see https://xyproblem.info/. Although I do no longer remember the context, there was for sure never an actual necessity to modify the iopub_data_rate_limit in my case. This is my first time on stackoverflow, in general, I am quite new to programming at all. I tried to create a list out of a csv-file resulting in: IOPub data rate exceeded. The notebook server will temporarily stop sending output to the client in order to avoid crashing it. To change this limit, set the config variable `--NotebookApp.iopub_data_rate_limit`. Current values: NotebookApp.iopub_data_rate_limit=1000000.0 (bytes/sec) NotebookApp.rate_limit_window=3.0 (secs) I guess I already found the solution to my actual problem here... IOPub data rate exceeded in Jupyter notebook (when viewing image) ... however I do not know how to change the settings of my jupiter notebook to change the data_rate_limit. Continue reading...