Wifi speed excepetion handle and dependency version update

Scripts/Miscellaneous/Wifi_Speed/README.md

@@ -4,6 +4,9 @@ A simple Python script that uses 'speedtest' module to test the internet bandwid
 ### Prerequisites
 You will need to install speedtest module. 
 The installation commands are provided in requirements.txt
+```bash
+  pip install -r requirements.txt
+```
 
 ### How to run the script
 First you have to go to the Wifi_Speed directory. Run the following command once you are in project directory

Scripts/Miscellaneous/Wifi_Speed/requirements.txt

@@ -1 +1 @@
-speedtest-cli==2.1.2
+speedtest-cli==2.1.3

Scripts/Miscellaneous/Wifi_Speed/wifiSpeed.py

@@ -2,9 +2,14 @@
 
 # Python module for testing internet bandwidth
 import speedtest
+from sys import exit
 
 # Creating a instance
-s = speedtest.Speedtest()
+try:
+    s = speedtest.Speedtest()
+except speedtest.ConfigRetrievalError:
+    print('Sorry, looks like you are not connected to any network!\nPlease make sure you are connected to the internet.')
+    exit()
 
 # Menu
 print("Select a valid option from below:\n")