half-typing is not my passion

app/slack.py

@@ -7,6 +7,7 @@ import requests
 from pymongo.errors import PyMongoError
 from requests.exceptions import RequestException
 from sanic import Blueprint
+from sanic.response import text
 
 slack_app = Blueprint("slack", __name__)
 
@@ -133,4 +134,4 @@ async def slack_open(request):
             }
         )
 
-    return f"Opening {door}…"
+    return text(f"Opening {door}…")