update

ui/analysis_screen.py

@@ -262,8 +262,8 @@ def compare_ngrams(text1, text2, n=2):
     Compare n-grams between two texts.
     
     Args:
-        text1 (str): First text
-        text2 (str): Second text
+        text1 (str or list): First text
+        text2 (str or list): Second text
         n (int or str): Size of n-grams
         
     Returns:
@@ -277,6 +277,12 @@ def compare_ngrams(text1, text2, n=2):
     if isinstance(n, str):
         n = int(n)
     
+    # Handle list inputs by converting to strings
+    if isinstance(text1, list):
+        text1 = ' '.join(str(item) for item in text1)
+    if isinstance(text2, list):
+        text2 = ' '.join(str(item) for item in text2)
+    
     # Make sure nltk resources are available
     try:
         tokens1 = nltk.word_tokenize(text1.lower())