[python] fix timings

python/dune/xt/common/__init__.py

@@ -20,3 +20,6 @@ for mod_name in (
     ):
     guarded_import(globals(), 'dune.xt.common', mod_name)
 
+# make sure the singleton exists
+timings()
+

python/dune/xt/common/timings.cc

@@ -45,5 +45,5 @@ PYBIND11_MODULE(_timings, m)
       .def("output_all_measures",
            [](Timings& self) { self.output_all_measures(); },
            "outputs per rank and global averages of all measures");
-  m.def("instance", &timings, py::return_value_policy::reference);
+  m.def("timings", &timings, py::return_value_policy::reference);
 }

python/dune/xt/common/timings.py

-# ~~~
-# This file is part of the dune-xt-common project:
-#   https://github.com/dune-community/dune-xt-common
-# Copyright 2009-2018 dune-xt-common developers and contributors. All rights reserved.
-# License: Dual licensed as BSD 2-Clause License (http://opensource.org/licenses/BSD-2-Clause)
-#      or  GPL-2.0+ (http://opensource.org/licenses/gpl-license)
-#          with "runtime exception" (http://www.dune-project.org/license.html)
-# Authors:
-#   René Fritze (2018)
-# ~~~
-
-from dune.xt._timings import *
-
-timings = instance()
\ No newline at end of file