From 7cf3ddf7707b31c1598206b3ca5993ee12ffb21b Mon Sep 17 00:00:00 2001
From: km4yri <km4yri@gmail.com>
Date: Mon, 2 Jan 2017 19:18:21 -0500
Subject: [PATCH] fix python 2/3 compatibility for xrange->range

---
 pysstv/color.py     | 7 ++++++-
 pysstv/grayscale.py | 8 +++++++-
 pysstv/sstv.py      | 7 ++++++-
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/pysstv/color.py b/pysstv/color.py
index 40be640..e70709c 100644
--- a/pysstv/color.py
+++ b/pysstv/color.py
@@ -1,7 +1,12 @@
 #!/usr/bin/env python
 
 from __future__ import division
-from builtins import range  # python 2/3 compatibility
+try:  # python 2/3 compatibility
+    xrange  # will fail in python 3
+except NameError:
+    pass
+else:
+    range = xrange
 from pysstv.sstv import byte_to_freq, FREQ_BLACK, FREQ_WHITE, FREQ_VIS_START
 from pysstv.grayscale import GrayscaleSSTV
 from itertools import chain
diff --git a/pysstv/grayscale.py b/pysstv/grayscale.py
index 9a0c5e1..63ce0aa 100644
--- a/pysstv/grayscale.py
+++ b/pysstv/grayscale.py
@@ -1,7 +1,13 @@
 #!/usr/bin/env python
 
 from __future__ import division
-from builtins import range  # python 2/3 compatibility
+
+try:  # python 2/3 compatibility
+    xrange  # will fail in python 3
+except NameError:
+    pass
+else:
+    range = xrange
 from pysstv.sstv import SSTV, byte_to_freq
 
 
diff --git a/pysstv/sstv.py b/pysstv/sstv.py
index 735aa30..e2e417e 100644
--- a/pysstv/sstv.py
+++ b/pysstv/sstv.py
@@ -12,8 +12,13 @@ try:
     import itertools.izip as zip  # python 2
 except ImportError:
     pass  # python 3
-from builtins import range  # python 2/3 compatibility
 from itertools import cycle, chain
+try:  # python 2/3 compatibility
+    xrange  # will fail in python 3
+except NameError:
+    pass
+else:
+    range = xrange
 from array import array
 import wave