CREATE OR REPLACE FUNCTION get(uri character varying)
  RETURNS json AS
$BODY$
import urllib2
 
data = urllib2.urlopen(uri)
 
return data.read()
 
$BODY$
  LANGUAGE plpython2u VOLATILE
  COST 100;

##</code><code>##

CREATE OR REPLACE FUNCTION get(input_url character varying)
  RETURNS json AS
$BODY$
use warnings;

import LWP::Simple;
my $url = input_url;
my $content = get($url);
$content =~ s/ /%20/g;
return $content;
 
$BODY$
  LANGUAGE plperl VOLATILE
  COST 100;

##</code><code>##

select get('ipinfo.io/ip');

ERROR:  Undefined subroutine &main::get called at line 6.
CONTEXT:  PL/Perl function "get"
********** Error **********

ERROR: Undefined subroutine &main::get called at line 6.
SQL state: 38000
Context: PL/Perl function "get"