overrides: Remove IntRange And Int64Range on Python2

They use the range() built-in type which is a Python 3 change.

https://bugzilla.gnome.org/show_bug.cgi?id=782927

gi/overrides/Gst.py

@@ -348,8 +348,9 @@ class IntRange(Gst.IntRange):
             return '[%d,%d,%d]' % (self.range.start, self.range.stop,
                     self.range.step)
 
-IntRange = override(IntRange)
-__all__.append('IntRange')
+if sys.version_info >= (3, 0):
+    IntRange = override(IntRange)
+    __all__.append('IntRange')
 
 
 class Int64Range(Gst.Int64Range):
@@ -380,8 +381,9 @@ class Int64Range(Gst.Int64Range):
                     self.range.step)
 
 
-Int64Range = override(Int64Range)
-__all__.append('Int64Range')
+if sys.version_info >= (3, 0):
+    Int64Range = override(Int64Range)
+    __all__.append('Int64Range')
 
 
 class DoubleRange(Gst.DoubleRange):

testsuite/test_int64range.py

@@ -23,6 +23,8 @@ overrides_hack
 
 from common import TestCase
 
+import unittest, sys
+
 import gi
 gi.require_version("Gst", "1.0")
 from gi.repository import Gst
@@ -31,6 +33,7 @@ Gst.init(None)
 R = Gst.Int64Range
 
 class TestInt64Range(TestCase):
+    @unittest.skipUnless(sys.version_info >= (3, 0), "requires Python 3")
     def testConstructor(self):
         Gst.init(None)
 
@@ -42,11 +45,13 @@ class TestInt64Range(TestCase):
         self.assertRaises(TypeError, R, 1)
         self.assertRaises(TypeError, R)
 
+    @unittest.skipUnless(sys.version_info >= (3, 0), "requires Python 3")
     def testRepr(self):
         Gst.init(None)
 
         self.assertEquals(repr(R(range(0, 10, 2))), '<Gst.Int64Range [0,10,2]>')
 
+    @unittest.skipUnless(sys.version_info >= (3, 0), "requires Python 3")
     def testGetValue(self):
         Gst.init(None)
 

testsuite/test_intrange.py

@@ -23,6 +23,8 @@ overrides_hack
 
 from common import TestCase
 
+import unittest, sys
+
 import gi
 gi.require_version("Gst", "1.0")
 from gi.repository import Gst
@@ -31,6 +33,7 @@ Gst.init(None)
 R = Gst.IntRange
 
 class TestIntRange(TestCase):
+    @unittest.skipUnless(sys.version_info >= (3, 0), "requires Python 3")
     def testConstructor(self):
         Gst.init(None)
 
@@ -42,11 +45,13 @@ class TestIntRange(TestCase):
         self.assertRaises(TypeError, R, 1)
         self.assertRaises(TypeError, R)
 
+    @unittest.skipUnless(sys.version_info >= (3, 0), "requires Python 3")
     def testRepr(self):
         Gst.init(None)
 
         self.assertEquals(repr(R(range(0, 10, 2))), '<Gst.IntRange [0,10,2]>')
 
+    @unittest.skipUnless(sys.version_info >= (3, 0), "requires Python 3")
     def testGetValue(self):
         Gst.init(None)