Unable to ping from Pycharm to the routers in GNS3 vian MS Loopback adapter

Hi,

1) I have installed MS Loopback adapter, assigned it 1.1.1.1/24

2) On router assigned  1.1.1.2/24

3) I am able to ping router from host PC (win10) by just opening cmd prompt. Below is the output

C:\Users\abc>ping 192.168.2.101

Pinging 192.168.2.101 with 32 bytes of data:
Reply from 192.168.2.101: bytes=32 time=3ms TTL=255
Reply from 192.168.2.101: bytes=32 time=2ms TTL=255
Reply from 192.168.2.101: bytes=32 time=3ms TTL=255

Ping statistics for 192.168.2.101:
Packets: Sent = 3, Received = 3, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 2ms, Maximum = 3ms, Average = 2ms

4) From pycharm and I am getting the below error:

* Ping to the following device has FAILED: 192.168.2.101

* Please re-check IP address list or device.

Process finished with exit code 0

5) Code is below. Can somebody please explain? 

import paramiko
import threading
import os.path
import subprocess
import datetime
import time
import sys
import re

def ip_is_valid():
    check = False
    global ip_list

    while True:
        try:
            ip_file = input("Enter the filename and extension: ")
            selected_ip_file = open(ip_file, 'r')
            selected_ip_file.seek(0)
            ip_list = selected_ip_file.readlines()
            print(ip_list)
            selected_ip_file.close()

        except IOError:
            print("File %s not found. Try Again!\n" % ip_file)
            continue

        for ip in ip_list:
            a = ip.split('.')

            if (len(a) == 4) and (1 <= int(a[0]) <= 223) and (int(a[0]) != 127) and (int(a[0]) != 169 or int(a[1]) != 254) and (0 <= int(a[1]) <= 254 and 0 <= int(a[2]) <= 254 and 0 <= int(a[3]) <= 254):
                check = True
                break
            else:
                print("Invalid IP found, please check\n")
                check = False
                continue

        if check == False:
            continue
        elif check == True:
            break


    check2 = False
    while True:
        for ip in ip_list:
            ping_reply = subprocess.call(['ping', ip], stdout = subprocess.PIPE)

            if ping_reply == 0:
                check2 = True
                continue

            elif ping_reply == 2:
                print("\n* No response from device %s." % ip)
                check2 = False
                break

            else:
                print("\n* Ping to the following device has FAILED:", ip)
                check2 = False
                break

        # Evaluating the 'check' flag
        if check2 == False:
            print("* Please re-check IP address list or device.\n")
            sys.exit()

        elif check2 == True:
            print("\n* All devices are reachable. Checking SSHv2 connection file...\n")
            break

ip_is_valid()