fix length issue

app.py

@@ -101,6 +101,9 @@ def identify_misaligned_sentences(reference_text, hypothesis_text):
                 if ref_words[j] != hyp_words[j]:
                     misalignment_start = j
                     break
+            # Check if one sentence is longer than the other
+            if len(ref_words) != len(hyp_words):
+                misalignment_start = min_length
 
             # Prepare the context for display
             context_ref = ' '.join(ref_words[:misalignment_start] + ['**' + ref_words[misalignment_start] + '**'])