Comment on and clean up plot_decision_tree.py

project/evaluation/plot_decision_tree.py

+# this module plots a decision tree after training the classifier on the data
+
 import re
 import os
 
@@ -31,15 +33,6 @@ tree.plot_tree(dtcf,
                     class_names=LANG_LIST,
                     filled=True)
 plt.show()
-"""
-fig = plt.figure()
-a = tree.plot_tree(dtcf, 
-                    class_names=LANG_LIST,
-                    filled=True)
-#fig.title("Decision tree")
-fig.savefig(CWD+"/project/images/decision_tree.png")
-fig.show()
-"""
 
 text_repr = tree.export_text(dtcf)
 print(text_repr)