Use builtin function next() throughout project

Available since Python 2.6. Use of .next() is deprecated and not
supported in Python 3. Forward compatible with modern Python.

https://docs.python.org/2/library/functions.html#next

3 files changed, 9 insertions, 9 deletions

diff --git a/tests/test_cursor.py b/tests/test_cursor.py
index c5ce70f..6772bfe 100755
--- a/tests/test_cursor.py
+++ b/tests/test_cursor.py
@@ -334,9 +334,9 @@ class CursorTests(ConnectingTestCase):
         # timestamp will not be influenced by the pause in Python world.
         curs.execute("""select clock_timestamp() from generate_series(1,2)""")
         i = iter(curs)
-        t1 = (i.next())[0]  # the brackets work around a 2to3 bug
+        t1 = next(i)[0]
         time.sleep(0.2)
-        t2 = (i.next())[0]
+        t2 = next(i)[0]
         self.assert_((t2 - t1).microseconds * 1e-6 < 0.1,
             "named cursor records fetched in 2 roundtrips (delta: %s)"
             % (t2 - t1))
diff --git a/tests/test_extras_dictcursor.py b/tests/test_extras_dictcursor.py
index 2c867d3..e95c923 100755
--- a/tests/test_extras_dictcursor.py
+++ b/tests/test_extras_dictcursor.py
@@ -310,22 +310,22 @@ class NamedTupleCursorTest(ConnectingTestCase):
         i = iter(curs)
         self.assertEqual(curs.rownumber, 0)
 
-        t = i.next()
+        t = next(i)
         self.assertEqual(t.i, 1)
         self.assertEqual(t.s, 'foo')
         self.assertEqual(curs.rownumber, 1)
         self.assertEqual(curs.rowcount, 3)
 
-        t = i.next()
+        t = next(i)
         self.assertEqual(t.i, 2)
         self.assertEqual(t.s, 'bar')
         self.assertEqual(curs.rownumber, 2)
         self.assertEqual(curs.rowcount, 3)
 
-        t = i.next()
+        t = next(i)
         self.assertEqual(t.i, 3)
         self.assertEqual(t.s, 'baz')
-        self.assertRaises(StopIteration, i.next)
+        self.assertRaises(StopIteration, next, i)
         self.assertEqual(curs.rownumber, 3)
         self.assertEqual(curs.rowcount, 3)
 
diff --git a/tests/test_sql.py b/tests/test_sql.py
index 2e12ba6..08f43b4 100755
--- a/tests/test_sql.py
+++ b/tests/test_sql.py
@@ -344,11 +344,11 @@ class ComposedTest(ConnectingTestCase):
     def test_iter(self):
         obj = sql.Composed([sql.SQL("foo"), sql.SQL('bar')])
         it = iter(obj)
-        i = it.next()
+        i = next(it)
         self.assertEqual(i, sql.SQL('foo'))
-        i = it.next()
+        i = next(it)
         self.assertEqual(i, sql.SQL('bar'))
-        self.assertRaises(StopIteration, it.next)
+        self.assertRaises(StopIteration, next, it)
 
 
 class PlaceholderTest(ConnectingTestCase):