+"""Declare basic string types unambiguously for various Python versions.
+# Copyright (c) 2010 Min Ragan-Kelley, Brian Granger
+# This file is part of pyzmq.
+# pyzmq is free software; you can redistribute it and/or modify it under
+# the terms of the Lesser GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+# pyzmq is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# Lesser GNU General Public License for more details.
+# You should have received a copy of the Lesser GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+major,mior = sys.version_info[:2]
+ basestring = (bytes, unicode)
+ basestring = basestring
+__all__ = ['bytes', 'unicode', 'basestring']