use python2 instead python3

alsa-tools.spec

@@ -25,7 +25,7 @@
 Summary:        Specialist tools for ALSA
 Name:           alsa-tools
 Version:        1.1.7
-Release:        1%{?dist}
+Release:        2%{?dist}
 
 # Checked at least one source file from all the sub-projects contained in
 # the source tarball and they are consistent GPLv2+ - TJ 2007-11-15
@@ -215,7 +215,7 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 %endif
 
 %changelog
-* Tue Oct 16 2018 Jaroslav Kysela <perex@perex.cz> - 1.1.7-1
+* Tue Oct 16 2018 Jaroslav Kysela <perex@perex.cz> - 1.1.7-2
 - Updated to 1.1.7
 
 * Thu Jul 12 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.6-2

hwmixvolume-python.patch

@@ -2,7 +2,7 @@
 +++ alsa-tools-1.1.7/hwmixvolume/hwmixvolume	2018-10-16 12:39:39.639476411 +0200
 @@ -1,4 +1,4 @@
 -#!/usr/bin/env python
-+#!/usr/bin/env python3
++#!/usr/bin/env python2
  
  # hwmixvolume - ALSA hardware mixer volume control applet
  # Copyright (c) 2009-2010 Clemens Ladisch