pencil2: Small typo in error msg
@@ -267,7 +267,7 @@ class APIAddons(CoreSysAttributes):
"""Write to stdin of addon."""
addon = self._extract_addon(request)
if not addon.with_stdin:
- raise RuntimeError("STDIN not supported by addons")
+ raise RuntimeError("STDIN not supported by addon")
data = await request.read()
return await asyncio.shield(addon.write_stdin(data), loop=self._loop)
