wrong name

app.py

@@ -143,7 +143,7 @@ def query(sentence: str, state: str, years: List[str]) -> List[str]:
     if len(article['lccn']['dpedia_ids']) == 0:
         location = 'Unknown'
     else:
-        location = article['lccn']['dpedia_ids'][0].replace('%2C_', ', ')
+        location = doc['lccn']['dpedia_ids'][0].replace('%2C_', ', ')
     results = {
         'newspaper_name': doc['lccn']['title'],
         'location': location,