Fix imports in dataset utilities.

research/adversarial_text/data/document_generators.py

@@ -26,7 +26,7 @@ import random
 
 import tensorflow as tf
 
-from adversarial_text.data import data_utils
+import data_utils
 
 flags = tf.app.flags
 FLAGS = flags.FLAGS

research/adversarial_text/data/gen_data.py

@@ -34,8 +34,8 @@ import string
 
 import tensorflow as tf
 
-from adversarial_text.data import data_utils
-from adversarial_text.data import document_generators
+import data_utils
+import document_generators
 
 data = data_utils
 flags = tf.app.flags

research/adversarial_text/data/gen_vocab.py

@@ -23,8 +23,8 @@ from collections import defaultdict
 
 import tensorflow as tf
 
-from adversarial_text.data import data_utils
-from adversarial_text.data import document_generators
+import data_utils
+import document_generators
 
 flags = tf.app.flags
 FLAGS = flags.FLAGS