1) made code compatible with latest version of tensorflow (tf2);
2) updated deprecated tensorflow.contrib.slim
-> with tf_slim;
3) updated deprecated linear_assignment from sklearn.utils.linear_assignment_
-> with linear_sum_assignment from scipy.optimize;
4) updated deprecated numpy.int and numpy.float
-> with int and float python built-in functions.
1) made code compatible with latest version of
tensorflow(tf2); 2) updated deprecatedtensorflow.contrib.slim-> withtf_slim; 3) updated deprecatedlinear_assignmentfromsklearn.utils.linear_assignment_-> withlinear_sum_assignmentfromscipy.optimize; 4) updated deprecatednumpy.intandnumpy.float-> withintandfloatpython built-in functions.