Fix issue where column values were used as str instead of bytes; pretty sure this was introduced by Python3
Fix issue where column values were used as str instead of bytes; pretty sure this was introduced by Python3

zsloan/genenetwork2,pjotrp/genenetwork2,pjotrp/genenetwork2,zsloan/genenetwork2,genenetwork/genenetwork2,genenetwork/genenetwork2,genenetwork/genenetwork2,zsloan/genenetwork2,pjotrp/genenetwork2,zsloan/genenetwork2,genenetwork/genenetwork2,pjotrp/genenetwork2,pjotrp/genenetwork2