fix issue on argparser in fake access point tutorial

Author: x4nth055

Diff for: scapy/fake-access-point/fake_access_point.py

@@ -34,7 +34,7 @@ def send_beacon(ssid, mac, infinite=True):
 
     parser = argparse.ArgumentParser(description="Fake Access Point Generator")
     parser.add_argument("interface", default="wlan0mon", help="The interface to send beacon frames with, must be in monitor mode")
-    parser.add_argument("-n", "--access-points", dest="n_ap", help="Number of access points to be generated")
+    parser.add_argument("-n", "--access-points", type=int, dest="n_ap", help="Number of access points to be generated")
     args = parser.parse_args()
     n_ap = args.n_ap
     iface = args.interface