fix style to match pep8

agent.py

@@ -67,6 +67,7 @@ def linux_set_time(time):
 
 
 class Context(object):
+
     @staticmethod
     def change_password(password):
         if system == 'Linux':
@@ -287,7 +288,9 @@ class Context(object):
         import notify
         notify.notify(msg)
 
+
 class SerialLineReceiver(SerialLineReceiverBase):
+
     def connectionMade(self):
         self.send_command(
             command='agent_started',

notify.py

@@ -5,18 +5,23 @@
 # Test program that informs the user about vm incoming time out
 ##
 
-import platform, logging, os, subprocess, webbrowser, sys
+import platform
+import logging
+import os
+import subprocess
+import webbrowser
 import cPickle as pickle
 
 system = platform.system()
 logger = logging.getLogger()
 file_name = "vm_renewal.p"
 
+
 def pars_arguments():
     import argparse
-    parser = argparse.ArgumentParser();
+    parser = argparse.ArgumentParser()
     parser.add_argument("-u", "--url", type=str, required=True)
-    args = parser.parse_args();
+    args = parser.parse_args()
     return args
 
 
@@ -31,6 +36,7 @@ def get_temp_dir():
         temp_dir = "/var/tmp"
     return temp_dir
 
+
 def wall(text):
     if text is None:
         logger.error("Incorrect function call")
@@ -67,6 +73,7 @@ def accept():
             print "Successfull renewal of this vm!"
             os.remove("%s/%s" % (get_temp_dir(), file_name))
 
+
 def notify(url):
     if os.getenv("DISPLAY") and system == 'Linux' or system == 'Windows':
         webbrowser.open(url, new=2, autoraise=True)
@@ -74,9 +81,12 @@ def notify(url):
         if os.path.isfile("%s/%s" % (get_temp_dir(), file_name)):
             logger.info("There is on old request already saved")
         pickle.dump(url, open("%s/%s" % (get_temp_dir(), file_name), "wb"))
-        wall("This vm is about to time out! Please type vm_renewal command to renew your current process")
+        wall("This virtual machine is going to expire! Please type \n"
+             "  vm_renewal\n"
+             "command to keep it running.")
     else:
-        raise StandardError('Not supported system type')
+        raise Exception('Not supported system type')
+
 
 def main():
     args = pars_arguments()