From 1455e9551ec2b6e142a45360ad1270a772cb1ca4 Mon Sep 17 00:00:00 2001
From: Saugat Pachhai <suagatchhetri@outlook.com>
Date: Tue, 24 Mar 2020 17:33:06 +0545
Subject: [PATCH] pull/checkout: fix empty output if no state gets changed
 (#3520)

---
 dvc/command/checkout.py             | 2 +-
 tests/unit/command/test_checkout.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dvc/command/checkout.py b/dvc/command/checkout.py
index 323e34997..1c06b3ffe 100644
--- a/dvc/command/checkout.py
+++ b/dvc/command/checkout.py
@@ -31,7 +31,7 @@ def log_summary(stats):
         for state in states
         if stats.get(state)
     )
-    logger.info(_human_join(summary))
+    logger.info(_human_join(summary) or "No changes.")
 
 
 def log_changes(stats):
diff --git a/tests/unit/command/test_checkout.py b/tests/unit/command/test_checkout.py
index 8e0a8f5f1..0090f9355 100644
--- a/tests/unit/command/test_checkout.py
+++ b/tests/unit/command/test_checkout.py
@@ -47,7 +47,7 @@ def test_log_summary(caplog):
     del stats["modified"]
     _assert_output(stats, "3 added")
 
-    _assert_output({}, "")
+    _assert_output({}, "No changes.")
 
 
 def test_log_changes(caplog):