python - Cannot find reference 'dt' in 'time.pyi | time.pyi'

Question

I tried to make a little game with the Ursina Engine, but i when i tried to run it, I got this message: Cannot find reference 'dt' in 'time.pyi | time.pyi'. I don't know why it doesn't work can someone help me? here is the code:

def update():
    if held_keys['a']:
        test_square.x -= 4 * time.dt


app = Ursina()

test_square = Entity(model='quad', color=color.red, scale=(1, 4), position=(5, 4))
app.run()

question from:https://stackoverflow.com/questions/65904360/cannot-find-reference-dt-in-time-pyi-time-pyi

Answer 1

Make sure that

from ursina import time

is declared