Update app.py

app.py

@@ -45,10 +45,10 @@ spanish_words = set()
 for pair in json_data:
     if "english" in pair:
         # Extract words from the English sentence and filter out numbers
-        english_words.update(filter(is_word, re.findall(r'\b\w+\b', pair["english"])))
+        english_words.update(filter(is_word, re.findall(r'\b\w+\b', pair.get("english", ""))))
     if "spanish" in pair:
         # Extract words from the Spanish sentence and filter out numbers
-        spanish_words.update(filter(is_word, re.findall(r'\b\w+\b', pair["spanish"])))
+        spanish_words.update(filter(is_word, re.findall(r'\b\w+\b', pair.get("spanish", ""))))
 
 def get_distractors(target_word, all_words, num_distractors=3):
     """