403 Forbidden on "Further Reading on Dictionaries" links at the bottom of 3.1

[russsaidwords]

As title, clicking either of these links http://puu.sh/kMvk9/63fbff3f86.png results in a 403 Forbidden error.

[kayomarz]

+1

403 occurs for other "Further Reading" links too. Example: click any of the "Further Reading" links here: http://www.diveintopython.net/power_of_introspection/lambda_functions.html

[tejeswarbharath]

http://www.diveintopython.net/doc/current/tut/tut.html

After hitting the above link.we find

403 Forbidden

Code: AccessDenied Message: Access Denied RequestId: FAEC15B021363B9D HostId: 3YCuaCeuzSPQZNVfXRAG7JvEMWDev6wFJPZw0L6c80whO0cSv9anbT8arc8uC9l6NhHw4nZpPuM= An Error Occurred While Attempting to Retrieve a Custom Error Document

Code: AccessDenied Message: Access Denied