npm lint command and PEP8 fix

Author: phw

package.json

@@ -23,5 +23,8 @@
   "bugs": {
     "url": "https://github.com/phw/webcam-access-monitor/issues"
   },
-  "homepage": "https://github.com/phw/webcam-access-monitor#readme"
+  "homepage": "https://github.com/phw/webcam-access-monitor#readme",
+  "scripts": {
+    "lint": "eslint 'gnome-shell-extension/**/*.js' && flake8 service/*.py service/*/*.py"
+  }
 }

service/webcam-access-monitor.py

@@ -20,7 +20,8 @@
     import dbus
     from gi.repository import GObject
     from dbus.mainloop.glib import DBusGMainLoop
-    from webcamaccessmonitor.dbus import WebcamStatusService, BUS_NAME, OBJECT_PATH
+    from webcamaccessmonitor.dbus import (WebcamStatusService,
+                                          BUS_NAME, OBJECT_PATH)
     from webcamaccessmonitor.webcammonitor import WebcamMonitor
 
     loop = GObject.MainLoop()