Update query.py

query.py

@@ -13,7 +13,7 @@ class VectaraQuery():
         self.customer_id = customer_id
         self.corpus_ids = corpus_ids
         self.api_key = api_key
-        self.conv_id = r
+        self.conv_id = "r"
 
     def submit_query(self, query_str: str):
         corpora_key_list = [{