Help for empty data frame on my streamlit app

Hello everyone,

I come to you because I have an issue with my streamlit application about my dataframe displaying.

I explain : I want to display some data in the app according to the user’s choices. I want to make this display interactive after each user input.

The problem here is that there are 3 empties dataframe displayed on the app, before the 3 filters chosen by the user.

For illustrate my issue, I put a picture juste there :

Someone can help me to resolve it please ?