fix pep8

agent.py

@@ -29,9 +29,9 @@ from inspect import getargspec, isfunction
 
 from utils import SerialLineReceiverBase
 
-# Note: Import everything because later we need to use the BaseContext (relative
-# import error.
-from context import *
+# Note: Import everything because later we need to use the BaseContext
+# (relative import error.
+from context import BaseContext, get_context, get_serial  # noqa
 
 Context = get_context()
 

context.py

@@ -3,8 +3,6 @@
 """
 import platform
 from os.path import exists
-from sys import path
-# Add current directory to the import path
 
 
 def _get_virtio_device():

windows/__init__.py

-import _win32context
-import win32virtio
-import network
\ No newline at end of file