From 587b645ec9a3e39b107e9a6d47cd571ab148cfad Mon Sep 17 00:00:00 2001
From: Andrew Grigorev <andrew@ei-grad.ru>
Date: Tue, 26 Mar 2019 19:30:28 +0300
Subject: [PATCH] ssh: walk_files error description

---
 dvc/remote/ssh/connection.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/dvc/remote/ssh/connection.py b/dvc/remote/ssh/connection.py
index 6071dd2ec..f8576a7f1 100644
--- a/dvc/remote/ssh/connection.py
+++ b/dvc/remote/ssh/connection.py
@@ -128,7 +128,17 @@ class SSHConnection:
 
         self._sftp_connect()
 
-        for entry in self._sftp.listdir_attr(directory):
+        try:
+            dir_entries = self._sftp.listdir_attr(directory)
+        except IOError as exc:
+            raise DvcException(
+                "couldn't get the '{}' remote directory files list".format(
+                    directory
+                ),
+                cause=exc,
+            )
+
+        for entry in dir_entries:
             path = posixpath.join(directory, entry.filename)
 
             if S_ISLNK(entry.st_mode):