[Python] Downloading with chrome headless and selenium

I'm using python-selenium and Chrome 59 and trying to automate a simple download sequence. When I launch the browser normally, the download works, but when I do so in headless mode, the download doesn't work.

# Headless implementation
from selenium import webdriver

chromeOptions = webdriver.ChromeOptions()
chromeOptions.add_argument("headless")

driver = webdriver.Chrome(chrome_options=chromeOptions)

driver.get('https://www.mockaroo.com/')
driver.find_element_by_id('download').click()
# ^^^ Download doesn't start


# Normal Mode
from selenium import webdriver

driver = webdriver.Chrome()

driver.get('https://www.mockaroo.com/')
driver.find_element_by_id('download').click()
# ^^^ Download works normally


I've even tried adding a default path:

prefs = {"download.default_directory" : "/Users/Chetan/Desktop/"}
chromeOptions.add_argument("headless")
chromeOptions.add_experimental_option("prefs",prefs)


Adding a default path works in the normal implementation, but the same problem persists in the headless version.

How do I get the download to start in headless mode?

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