fix empty lines (lint), fix documentation

salt/modules/uptime.py

@@ -19,6 +19,7 @@ from salt.exceptions import CommandExecutionError
 
 log = logging.getLogger(__name__)
 
+
 def __virtual__():
     '''
     Only load this module if the requests python module is available

salt/states/uptime.py

@@ -19,7 +19,7 @@ Bootstrap.
     .. code-block:: yaml
 
         uptime:
-          url: "http://uptime-url.example.org"
+          application_url: "http://uptime-url.example.org"
 
 Example:
 
@@ -33,6 +33,7 @@ Example:
 
 '''
 
+
 def __virtual__():
     '''
     Only load if the uptime module is present