diff --git a/person_detection/app.py b/person_detection/app.py
index 0ed28eb..2ef9b87 100644
--- a/person_detection/app.py
+++ b/person_detection/app.py
@@ -3,8 +3,6 @@
 SPDX-FileCopyrightText: 2020-present Open Networking Foundation <info@opennetworking.org>
 SPDX-License-Identifier: LicenseRef-ONF-Member-1.01
 """
-from importlib import import_module
-import os
 import logging as log
 import sys
 import flask
@@ -24,6 +22,7 @@
     log.info("{} - connected".format(flask.request.remote_addr))
     return flask.render_template('index.html', devices=config.cameras)
 
+
 def gen(camera):
     """Video streaming generator function."""
     while True:
@@ -31,6 +30,7 @@
         yield (b'--frame\r\n'
                b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n')
 
+
 @app.route('/video_feed/<device>')
 def video_feed(device):
     """Video streaming route. Put this in the src attribute of an img tag."""
@@ -38,11 +38,13 @@
     log.debug("{} - video feed {}".format(flask.request.remote_addr, device))
     camera = Camera(device, flask.request.remote_addr, args)
     return flask.Response(gen(camera),
-                    mimetype='multipart/x-mixed-replace; boundary=frame')
+                          mimetype='multipart/x-mixed-replace; boundary=frame')
+
 
 def name_to_port(name):
     return int(name)
 
+
 def build_argparser():
     parser = ArgumentParser(add_help=False)
     args = parser.add_argument_group('Options')
@@ -75,17 +77,17 @@
             help = "ROC password",
             type = str)
     args.add_argument("--mbrlow",
-            help = "Low range of MBR",
-            default = 7000000,
-            type = int)
+                      help="Low range of MBR",
+                      default=7000000,
+                      type=int)
     args.add_argument("--mbrhigh",
-            help = "High range of MBR",
-            default = 10000000,
-            type = int)
+                      help="High range of MBR",
+                      default=10000000,
+                      type=int)
     args.add_argument("--devicegroup",
-            help = "Camera device group",
-            default = "menlo-4g-cameras",
-            type = str)
+                      help="Camera device group",
+                      default="menlo-4g-cameras",
+                      type=str)
 
     return parser
 
@@ -104,7 +106,7 @@
         key = args.key
         if key is None:
             if args.user is not None and args.password is not None:
-                roc = Roc(args.user, args.password)
+                roc = Roc(config.url, args.user, args.password, config.enterprise, config.site)
                 key = roc.get_key()
             else:
                 log.error("Either key or user/password required")