Update app.py

app.py

@@ -49,7 +49,7 @@ async def chat(query,history,sources,reports):
     if len(reports) == 0:
         reports = []
 
-    if sources == ["Ministry"]:
+    if sources == "Ministry":
         vectorstore = vectorstores["MWTS"]
     else:
         vectorstore = vectorstores["Consolidated"]