From 84b59c03a08ff66001a1c95cc343c301a6dd5edd Mon Sep 17 00:00:00 2001
From: kirlf <33487079+kirlf@users.noreply.github.com>
Date: Tue, 12 Feb 2019 11:04:14 +0300
Subject: [PATCH] Update method visualize()

Add-on for Python 3 compatibility. In Python 3, the range() method returns a range data type that, for example, does not have a reverse () method.
---
 commpy/channelcoding/convcode.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commpy/channelcoding/convcode.py b/commpy/channelcoding/convcode.py
index f26d310..9147a0a 100644
--- a/commpy/channelcoding/convcode.py
+++ b/commpy/channelcoding/convcode.py
@@ -257,7 +257,7 @@ def visualize(self, trellis_length = 2, state_order = None,
             edge_colors = ["#9E1BE0", "#06D65D"]
 
         if state_order is None:
-            state_order = range(self.number_states)
+            state_order = list(range(self.number_states))
 
         font = "sans-serif"
         fig = plt.figure()