diff -ruN num2words-0.5.10.orig/bin/num2words num2words-0.5.10/bin/num2words
--- num2words-0.5.10.orig/bin/num2words 2019-09-07 00:06:15.933230111 +0300
+++ num2words-0.5.10/bin/num2words  2019-09-07 00:08:57.515532720 +0300
@@ -82,7 +82,7 @@
         sys.exit(0)
     try:
         words = num2words.num2words(args['<number>'], lang=args['--lang'], to=args['--to'])
-        sys.stdout.write(words+os.linesep)
+        sys.stdout.write((words.encode("utf-8") if sys.version_info[0] == 2 else words) + os.linesep)
         sys.exit(0)
     except Exception as err:
         sys.stderr.write(str(args['<number>']))
diff -ruN num2words-0.5.10.orig/tests/test_cli.py num2words-0.5.10/tests/test_cli.py
--- num2words-0.5.10.orig/tests/test_cli.py 2019-09-07 00:06:15.939896873 +0300
+++ num2words-0.5.10/tests/test_cli.py  2019-09-07 00:06:40.363578331 +0300
@@ -20,6 +20,7 @@

 import os
 import unittest
+import sys

 import delegator

@@ -31,7 +32,7 @@
     def __init__(self):
         self.cmd = os.path.realpath(os.path.join(os.path.dirname(__file__),
                                     "..", "bin", "num2words"))
-        self.cmd_list = ["python", self.cmd]
+        self.cmd_list = [sys.executable, self.cmd]

     def run_cmd(self, *args):
         cmd_list = self.cmd_list + [str(arg) for arg in args]