logistic_regression.py fails with python 2.7

[FlorinAndrei]

$ python logistic_regression.py 
  File "logistic_regression.py", line 61
    print "Epoch:", '%04d' % (epoch+1), "cost=", "{:.9f}".format(avg_cost)
                 ^
SyntaxError: invalid syntax

python-2.7.6, ubuntu-14.04

[cnwarden]

you have to remove this line "from future import print_function", it will use python3 print, but in code, still using python2 style.