aiohttpparser: Use double quoted empty string
This should make the PR pass the style check
@@ -100,7 +100,7 @@ class AIOHTTPParser(AsyncParser):
try:
json_data = await req.json()
except json.JSONDecodeError as e:
- if e.doc == '':
+ if e.doc == "":
return core.missing
else:
raise e
