From 0ca0d94cb251f4863c0eb87ffed8919a9e093184 Mon Sep 17 00:00:00 2001
From: Peter Rowlands <peter@pmrowla.com>
Date: Fri, 7 Oct 2022 17:46:14 +0900
Subject: [PATCH] output: mypy fixes

---
 dvc/output.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dvc/output.py b/dvc/output.py
index 1ddcd7a83..01cae1bca 100644
--- a/dvc/output.py
+++ b/dvc/output.py
@@ -816,6 +816,7 @@ class Output:
         else:
             return None
 
+        assert obj
         fs_path = self.fs.path
         if filter_info and filter_info != self.fs_path:
             prefix = fs_path.relparts(filter_info, self.fs_path)