Fix PEP-8 issue.

Author: khushboovashi

web/pgadmin/browser/server_groups/servers/__init__.py

@@ -1887,7 +1887,6 @@ def change_password(self, gid, sid):
                 return internal_server_error(errormsg="Unable to"
                                                       " change the password.")
 
-
             SQL = render_template(
                 "/servers/sql/#{0}#/change_password.sql".format(
                     manager.version),