Father of Python Guido van Rossum on Twitter announced his departure from Dropbox company news, and said that it has retired. He also mentioned that he learned a lot during his tenure as engineer at Dropbox - Python type annotations (Type Annotations) is from here work experience.
Dropbox's official website announcement also corroborated the news, and deliberately wrote a long article to acknowledge the contributions made during Guido worked in Dropbox.
Guido length of about six and a half when Dropbox work. Speaking, Guido contribution Dropbox can be traced back to the first day of its existence, because the first line of code Dropbox CEO Drew Houston of Dropbox is written using Python.