Python - regex , replace multiple spaces with one space

# Substituting multiple spaces with single space
# replace multiple spaces with one space
# delete spaces
# spaces delete 
# tabs replace with one space 
# tow ore more spaces betwen words 
import re

text = "That is a           test for removing                         multiple spaces"
document = re.sub(r's+', ' ', text, flags=re.I)

print(document)