Enabling use of underscores in configuration name.

src/dashboard.py

@@ -20,6 +20,7 @@ import urllib.error
 from datetime import datetime, timedelta
 from operator import itemgetter
 # PIP installed library
+import ifcfg
 import psutil
 from flask import Flask, request, render_template, redirect, url_for, session, jsonify, g
 from flask_qrcode import QRcode

src/requirements.txt

@@ -1,4 +1,5 @@
 Flask
+ifcfg
 psutil
 icmplib
 flask-qrcode