CREATE OR REPLACE FUNCTION public.py_is_tw (p_ts timestamptz) 
RETURNS "pg_catalog"."bool" 
AS 
$$  
import os
from plpy import spiexceptions
from array import *

try:
	cur = plpy.cursor("SELECT name FROM public.sb WHERE active =true") 
	rows=cur.fetch(100)
	for row in rows: 
		s = rows[row]
		plpy.info(s)
	return true
except plpy.SPIError, e:
	return "other error, SQLSTATE %s" % e.sqlstate

$$ 
LANGUAGE plpythonu;

ALTER FUNCTION "public"."py_is_tw"(p_ts timestamptz) OWNER TO "postgres";

...
$$ 
LANGUAGE plpythonu;

ALTER FUNCTION "public"."py_is_tw"(p_ts timestamptz) OWNER TO "postgres";

Time: 0.003s

Affected rows: 0

Affected rows: 0

SELECT "public"."py_is_tw"('2016-06-21 17:31:15.190574+03');

[SQL]SELECT "public"."py_is_tw"('2016-06-21 17:31:15.190574+03')

[Err] ERROR:  TypeError: list indices must be integers, not dict
CONTEXT:  Traceback (most recent call last):
  PL/Python function "py_is_tw", line 11, in <module>
    s = rows[row]