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11.5.4 HTTPRedirectHandler Objects

Note: 303 redirection is not supported by this version of `urllib2`.

`http_error_301`(req, fp, code, msg, hdrs)
  Redirect to the `Location:` URL. This method is called by the parent `OpenerDirector` when getting an HTTP permanent-redirect response.

`http_error_302`(req, fp, code, msg, hdrs)
  The same as `http_error_301()`, but called for the temporary-redirect response.