From f9d0fabaecca3cbbdc32d3ef3342ac2be7a298a3 Mon Sep 17 00:00:00 2001
From: antonc42 <antonc42@users.noreply.github.com>
Date: Tue, 16 Oct 2018 11:08:24 -0500
Subject: [PATCH] applied patch from neonknight

https://github.com/voronind/range-regex/pull/7
---
 range_regex/range_regex.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/range_regex/range_regex.py b/range_regex/range_regex.py
index 3a63492..2aa6b2f 100644
--- a/range_regex/range_regex.py
+++ b/range_regex/range_regex.py
@@ -56,7 +56,7 @@ def split_to_patterns(min_, max_):
 
 
 def split_to_ranges(min_, max_):
-    stops = {max_}
+    stops = set([max_])
 
     nines_count = 1
     stop = fill_by_nines(min_, nines_count)
@@ -96,7 +96,7 @@ def range_to_pattern(start, stop):
         if start_digit == stop_digit:
             pattern += start_digit
         elif start_digit != '0' or stop_digit != '9':
-            pattern += '[{}-{}]'.format(start_digit, stop_digit)
+            pattern += '[{0}-{1}]'.format(start_digit, stop_digit)
         else:
             any_digit_count += 1