support python 3.4 testing python 3.4 is not supported by any 1.4 release of mysqlclient. Pip is installing the 1.4.4 version even when run from python 3.4. Check version and install 1.3.14 on python 3.4 but newest one on all other versions.

try:
    # Python 3+.
    from xmlrpc import client, server
    server.SimpleXMLRPCDispatcher
except (ImportError, AttributeError):
    # Python 2.
    import xmlrpclib as client
    import SimpleXMLRPCServer as server