Fixed some linting errors

homeassistant/components/camera/__init__.py

@@ -33,8 +33,6 @@ from homeassistant.const import (
     ATTR_ENTITY_PICTURE,
     HTTP_NOT_FOUND,
     ATTR_ENTITY_ID,
-    HTTP_HEADER_CONTENT_TYPE,
-    CONTENT_TYPE_MULTIPART
     )
 
 from homeassistant.helpers.entity_component import EntityComponent
@@ -130,8 +128,8 @@ def setup(hass, config):
             camera = component.entities[entity_id]
 
         if not camera:
-            self.handler.send_response(HTTP_NOT_FOUND)
-            self.handler.end_headers()
+            handler.send_response(HTTP_NOT_FOUND)
+            handler.end_headers()
             return
 
         try:

homeassistant/components/camera/generic.py

@@ -156,14 +156,17 @@ class GenericCamera(Camera):
 
     @property
     def base_url(self):
+        """ Return the URL of the IP Camera """
         return self._base_url
 
     @property
     def username(self):
+        """ Return the configured username """
         return self._username
 
     @property
     def password(self):
+        """ Return the configured password """
         return self._password
 
     @property