Adhere to PEP 8

Author: jebking

cameraDisplayModule.py

@@ -3,18 +3,23 @@
 import os
 import robomodules as rm
 from messages import *
-import cv2, pickle, pygame, numpy
+import cv2
+import numpy
+import pickle
+import pygame
 
-ADDRESS = os.environ.get("BIND_ADDRESS","localhost")
+ADDRESS = os.environ.get("BIND_ADDRESS", "localhost")
 PORT = os.environ.get("BIND_PORT", 11297)
 
 FREQUENCY = 0
 SCREEN_SIZE = 800
 
+
 class CameraDisplayModule(rm.ProtoModule):
     def __init__(self, addr, port):
         self.subscriptions = [MsgType.CAMERA_FRAME_MSG]
-        super().__init__(addr, port, message_buffers, MsgType, FREQUENCY, self.subscriptions)
+        super().__init__(addr, port, message_buffers, MsgType, FREQUENCY,
+                         self.subscriptions)
         self.frame = None
         pygame.init()
         self.display = pygame.display.set_mode((SCREEN_SIZE, SCREEN_SIZE))
@@ -25,22 +30,23 @@ def msg_received(self, msg, msg_type):
         if msg_type == MsgType.CAMERA_FRAME_MSG:
             self.frame = msg.cameraFrame
         self._display_serialized_image()
-        
+
     def tick(self):
         # FREQUENCY is 0, so this will never be called.
         return
 
     def _display_serialized_image(self):
-        if self.frame == None:
+        if self.frame is None:
             print('frame == None')
             return
         frame = pickle.loads(self.frame)
-        frame = cv2.cvtColor(frame,cv2.COLOR_BGR2RGB)
+        frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
         frame = numpy.rot90(frame)
         frame = pygame.surfarray.make_surface(frame)
-        self.display.blit(frame,(0,0))
+        self.display.blit(frame, (0, 0))
         pygame.display.flip()
 
+
 def main():
     module = CameraDisplayModule(ADDRESS, PORT)
     module.run()