
Traceback (most recent call last):

 "/usr/lib/python2.7/doctest.py", line 1315, in __run
compileflags, 1) in test.globs

 "<doctest plotting.rst[13]>", line 5, in <module>
extensions=[TrainingDataMonitoring([cost, exponent], after_every_epoch=True),

 "/home/vanmerb/lisa/blocks/blocks/extensions/monitoring.py", line 88, in __init__
self._buffer = AggregationBuffer(expressions, use_take_last=True)

 "/home/vanmerb/lisa/blocks/blocks/monitoring/evaluators.py", line 53, in __init__
self.inputs = ComputationGraph(self.expressions).inputs

 "/home/vanmerb/lisa/blocks/blocks/graph.py", line 61, in __init__
self._get_variables()

 "/home/vanmerb/lisa/blocks/blocks/graph.py", line 90, in _get_variables
[dependence])

 "/home/vanmerb/lisa/Theano/theano/gof/sched.py", line 194, in sort_apply_nodes
return posort(list_of_nodes(inputs, outputs), *cmps)

 "/home/vanmerb/lisa/Theano/theano/gof/graph.py", line 1057, in list_of_nodes
lambda o: [inp.owner for inp in o.inputs

 "/home/vanmerb/lisa/Theano/theano/gof/graph.py", line 544, in stack_search
expand_l = expand(l)

 "/home/vanmerb/lisa/Theano/theano/gof/graph.py", line 1057, in <lambda>
lambda o: [inp.owner for inp in o.inputs
AttributeError: 'NoneType' object has no attribute 'inputs'
Traceback (most recent call last):


 "/usr/lib/python3/dist-packages/lutris/gui/sidebar.py", line 194, in on_configure_runner

RunnerConfigDialog(self.runner, parent=self.parent_window)


 "/usr/lib/python3/dist-packages/lutris/gui/config_dialogs.py", line 497, in __init__

self.build_tabs('runner')


 "/usr/lib/python3/dist-packages/lutris/gui/config_dialogs.py", line 40, in build_tabs

self._build_system_tab(config_level)


 "/usr/lib/python3/dist-packages/lutris/gui/config_dialogs.py", line 248, in _build_system_tab

self.system_box = SystemBox(self.lutris_config)


 "/usr/lib/python3/dist-packages/lutris/gui/config_boxes.py", line 621, in __init__

self.generate_widgets('system')


 "/usr/lib/python3/dist-packages/lutris/gui/config_boxes.py", line 89, in generate_widgets

self.call_widget_generator(option, option_key, value, default)


 "/usr/lib/python3/dist-packages/lutris/gui/config_boxes.py", line 178, in call_widget_generator

self.generate_file_chooser(option, value)


 "/usr/lib/python3/dist-packages/lutris/gui/config_boxes.py", line 361, in generate_file_chooser

path = os.path.join(self.game.directory, path)
AttributeError: 'NoneType' object has no attribute 'directory'
