Error on processing placeholders with negative integer

[psycoteam]

Originally submitted by: nk.0@ya.ru (Konstantin Nikitin)

Here is my error log

import psycopg2
connection = psycopg2.connect("user=konstantin dbname=konstantin")
cursor = connection.cursor()
cursor.execute("select 1-%s from table", (2, ))
cursor.fetchall()
[(-1,), (-1,), (-1,), (-1,), (-1,), (-1,), (-1,), (-1,)]
cursor.execute("select 1-%s from table", (-1, ))
cursor.fetchall()
[(1,)]
cursor.execute("select 1 - %s from table", (-1, ))
cursor.fetchall()
[(2,), (2,), (2,), (2,), (2,), (2,), (2,), (2,)]

[psycoteam]

Originally submitted by: xni

This issue is fixed in 2.4.2

dvarrazzo/psycopg@281427f