facebook app in python showing file list
Based on your comments, I think I see what's going on.  192.168.2.2 is not a valid URL.  That is a local network IP, and cannot be accessed from outside your network.
You need to set your Canvas Callback URL to the external IP address of your modem.
i am making a facebook app in python with django. now i have successfully resolved the callback url to my localhost account. but the app is not displaying on facebook.
when i navigate to apps.facebook.com/'myappname', it authenticates and then displays the file list on project folder?