OSError: Unable to open file (from githib)

I’m getting the same error and i tried applying this solution as well as this one OSError: Unable to open file (file signature not found) - #2 by randyzwitch

None of them helping out. Could you please pls look into my issue & help resolving this.
github link - GitHub - ankan-mazumdar/Active-Learning
applink- https://ankan-mazumdar-active-learning-stream-app-nonlwf.streamlitapp.com/