i have already import re```

/content/3D/support_functions.py in ()
72     return _inner
73
—> 74 _camel_re1 = re.compile(’(.)([A-Z][a-z]+)’)
75 _camel_re2 = re.compile(’([a-z0-9])([A-Z])’)
76 def camel2snake(name):

NameError: name ‘re’ is not defined