diff --git a/wally/ssh_utils.py b/wally/ssh_utils.py
index e566cbe..ada4af6 100644
--- a/wally/ssh_utils.py
+++ b/wally/ssh_utils.py
@@ -78,8 +78,7 @@
 
 
 def exists(sftp, path):
-    """os.path.exists for paramiko's SCP object
-    """
+    "os.path.exists for paramiko's SCP object"
     try:
         sftp.stat(path)
         return True
@@ -329,6 +328,7 @@
 
 
 def parse_ssh_uri(uri):
+    # [ssh://]+
     # user:passwd@ip_host:port
     # user:passwd@ip_host
     # user@ip_host:port