fix index error

app.py

@@ -88,6 +88,7 @@ def identify_misaligned_sentences(reference_text, hypothesis_text):
     hypothesis_sentences = split_into_sentences(hypothesis_text)
 
     misaligned = []
+
     for i, (ref, hyp) in enumerate(zip(reference_sentences, hypothesis_sentences)):
         if ref != hyp:
             # Split sentences into words
@@ -117,8 +118,7 @@ def identify_misaligned_sentences(reference_text, hypothesis_text):
                 "context_ref": context_ref,
                 "context_hyp": context_hyp
             })
-
-    # Handle cases where the number of sentences differs
+            
     if len(reference_sentences) > len(hypothesis_sentences):
         for i in range(len(hypothesis_sentences), len(reference_sentences)):
             misaligned.append({