[Python] How do I update `grid-template-columns` in inline styles using Python and Selenium?

I'm using Python and Selenium to dynamically change the inline CSS of a `<div>` element. Updating `background-color` works fine, but I can't seem to change `grid-template-columns`.

from selenium import webdriver

from selenium.webdriver.common.by import By

driver = webdriver.Chrome()

driver.get("http://localhost/test.html") # Simple HTML file with a grid div

grid = driver.find_element(By.ID, "grid")

driver.execute_script("arguments[0].style.backgroundColor = 'yellow';", grid) # Works

driver.execute_script("arguments[0].style.gridTemplateColumns = 'auto auto auto';", grid)

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