no_loop() when used in setup() don't call draw() but it should call draw() only once

[tushar5526]

Describe the bug
According to processing https://processing.org/examples/noloop.html The noLoop() function causes draw() to only execute once. Without calling noLoop(), the code inside draw() is run continually.,
In p5py no_loop() don't call the draw() function once

To Reproduce

from p5 import *

def setup():
    background(255)     # Set stroke color to white
    no_loop()

def draw():
    print('called draw')

if __name__ == '__main__':
    run()

Current Behaviour
No output

Expected behavior
It should print called draw

System information:

• p5 : cloned from github