=== modified file 'breezy/tests/stub_sftp.py'
--- old/breezy/tests/stub_sftp.py	2018-11-11 04:08:32 +0000
+++ new/breezy/tests/stub_sftp.py	2020-02-03 22:40:36 +0000
@@ -262,7 +262,7 @@
 
 # ------------- server test implementation --------------
 
-STUB_SERVER_KEY = """
+STUB_SERVER_KEY = """\
 -----BEGIN RSA PRIVATE KEY-----
 MIICWgIBAAKBgQDTj1bqB4WmayWNPB+8jVSYpZYk80Ujvj680pOTh2bORBjbIAyz
 oWGW+GUjzKxTiiPvVmxFgx5wdsFvF03v34lEVVhMpouqPAYQ15N37K/ir5XY+9m/

