Solved by hmasdev in post #18 
              
              
                Dear all, 
thanks a lot for meaningful discussion. 
I was also faced with the same problem. 
Now, I found a solution without 404 not found error. 
Environment 

python = 3.7.9
streamlit = 0.71.0
pyinstaller = 4.1

After that, suppose we want to make an executable file from the following main.py: 
[m…