Fixing typeError highlitedText bug

app.py

@@ -69,7 +69,7 @@ cache = set()
 
 
 def generate_adversarial_example(dataset, attacker, text=None, label=None):
-    if not text :
+    """if not text or text in cache:
         if "agnews" in dataset.lower():
             text, label = get_agnews_example()
         elif "sst2" in dataset.lower():
@@ -79,7 +79,7 @@ def generate_adversarial_example(dataset, attacker, text=None, label=None):
         # elif "yahoo" in dataset.lower():
             # text, label = get_yahoo_example()
         elif "imdb" in dataset.lower():
-            text, label = get_imdb_example()
+            text, label = get_imdb_example()"""
 
     cache.add(text)