Fixed typo in carbon.py
Fixed typo in carbon.py

iksaif/biggraphite,Thib17/biggraphite,unbrice/biggraphite,natbraun/biggraphite,criteo/biggraphite,iksaif/biggraphite,Thib17/biggraphite,dpanth3r/biggraphite,iksaif/biggraphite,criteo/biggraphite,Thib17/biggraphite,criteo/biggraphite,iksaif/biggraphite,Thib17/biggraphite,criteo/biggraphite