1.9.0: sphinx warnings `reference target not found`

[kloczek]

On building my packages I'm using sphinx-build command with -n switch which shows warmings about missing references. These are not critical issues.
Here is the output with warnings:

+ /usr/bin/sphinx-build -n -T -b man docs build/sphinx/man
Running Sphinx v4.5.0
making output directory... done
WARNING: html_static_path entry '_static' does not exist
loading intersphinx inventory from https://docs.python.org/3/objects.inv...
building [mo]: targets for 0 po files that are out of date
building [man]: all manpages
updating environment: [new config] 15 added, 0 changed, 0 removed
reading sources... [100%] introduction
looking for now-outdated files... none found
pickling environment... done
checking consistency... done
writing... python-simpleline.3 { introduction guide api api/app api/screen api/screen_handling api/widgets api/containers api/prompt api/adv_widgets api/event_loops api/signals api/errors api/advanced_input } /home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/screen/__init__.py:docstring of simpleline.render.screen.signal_handler.SignalHandler.connect:: WARNING: py:class reference target not found: func
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/screen/__init__.py:docstring of simpleline.render.screen.signal_handler.SignalHandler.connect:: WARNING: py:class reference target not found: event_message
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/screen/__init__.py:docstring of simpleline.render.screen.signal_handler.SignalHandler.connect:: WARNING: py:class reference target not found: data
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/screen/__init__.py:docstring of simpleline.render.screen.signal_handler.SignalHandler.connect:: WARNING: py:class reference target not found: Anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/screen/__init__.py:docstring of simpleline.render.screen.UIScreen.get_input_with_error_check:: WARNING: py:class reference target not found: Anything.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/screen/__init__.py:docstring of simpleline.render.screen.UIScreen.input:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/screen/__init__.py:docstring of simpleline.render.screen.UIScreen.prompt:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/screen/__init__.py:docstring of simpleline.render.screen.UIScreen.prompt:: WARNING: py:class reference target not found: Prompt instance
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/screen/__init__.py:docstring of simpleline.render.screen.UIScreen.refresh:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/screen/__init__.py:docstring of simpleline.render.screen.UIScreen.setup:: WARNING: py:class reference target not found: array of values
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/docs/api/screen_handling.rst:62: WARNING: py:meth reference target not found: ScreenHandler.push_screen_method
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: class Widget
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: class Widget
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: class Widget
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: class Widget
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: class Widget
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: class Widget
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/widgets.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: class Widget
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: class Widget
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.containers.WindowContainer.add_separator:: WARNING: py:class reference target not found: int greater than 0.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.containers.WindowContainer.add_with_separator:: WARNING: py:class reference target not found: int greater than 0.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: class Widget
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: class Widget
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.draw:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/containers.py:docstring of simpleline.render.widgets.Widget.write:: WARNING: py:class reference target not found: boolean
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.ErrorDialog.prompt:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.ErrorDialog.prompt:: WARNING: py:class reference target not found: Prompt instance
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.ErrorDialog.refresh:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.GetInputScreen.add_acceptance_condition:: WARNING: py:class reference target not found: Anything.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.GetInputScreen.input:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.GetInputScreen.prompt:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.GetInputScreen.prompt:: WARNING: py:class reference target not found: Prompt instance
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.GetInputScreen.refresh:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.HelpScreen.prompt:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.HelpScreen.prompt:: WARNING: py:class reference target not found: Prompt instance
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.PasswordDialog.input:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.PasswordDialog.prompt:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.PasswordDialog.prompt:: WARNING: py:class reference target not found: Prompt instance
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.PasswordDialog.refresh:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.YesNoDialog.input:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.YesNoDialog.prompt:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.YesNoDialog.prompt:: WARNING: py:class reference target not found: Prompt instance
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/render/adv_widgets.py:docstring of simpleline.render.adv_widgets.YesNoDialog.refresh:: WARNING: py:class reference target not found: anything
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/main_loop.py:docstring of simpleline.event_loop.main_loop.MainLoop.enqueue_signal:: WARNING: py:class reference target not found: Instance based on AbstractEvent class.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/main_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.kill_app_with_traceback:: WARNING: py:class reference target not found: Anything will be ignored.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/main_loop.py:docstring of simpleline.event_loop.main_loop.MainLoop.process_signals:: WARNING: py:class reference target not found: Class of the signal.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/main_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: Class based on the simpleline.event_loop.AbstractSignal class.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/main_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: func
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/main_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: event_message
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/main_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: data
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/main_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: Anything.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/main_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.set_quit_callback:: WARNING: py:class reference target not found: Anything.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/glib_event_loop.py:docstring of simpleline.event_loop.glib_event_loop.GLibEventLoop.enqueue_signal:: WARNING: py:class reference target not found: instance based on AbstractEvent class
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/glib_event_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.kill_app_with_traceback:: WARNING: py:class reference target not found: Anything will be ignored.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/glib_event_loop.py:docstring of simpleline.event_loop.glib_event_loop.GLibEventLoop.process_signals:: WARNING: py:class reference target not found: Class of the signal.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/glib_event_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: Class based on the simpleline.event_loop.AbstractSignal class.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/glib_event_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: func
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/glib_event_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: event_message
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/glib_event_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: data
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/glib_event_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: Anything.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/glib_event_loop.py:docstring of simpleline.event_loop.AbstractEventLoop.set_quit_callback:: WARNING: py:class reference target not found: Anything.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/__init__.py:docstring of simpleline.event_loop.AbstractEventLoop.enqueue_signal:: WARNING: py:class reference target not found: Instance based on AbstractEvent class.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/__init__.py:docstring of simpleline.event_loop.AbstractEventLoop.kill_app_with_traceback:: WARNING: py:class reference target not found: Anything will be ignored.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/__init__.py:docstring of simpleline.event_loop.AbstractEventLoop.process_signals:: WARNING: py:class reference target not found: Class of the signal.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/__init__.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: Class based on the simpleline.event_loop.AbstractSignal class.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/__init__.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: func
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/__init__.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: event_message
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/__init__.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: data
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/__init__.py:docstring of simpleline.event_loop.AbstractEventLoop.register_signal_handler:: WARNING: py:class reference target not found: Anything.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/event_loop/__init__.py:docstring of simpleline.event_loop.AbstractEventLoop.set_quit_callback:: WARNING: py:class reference target not found: Anything.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/input/input_handler.py:docstring of simpleline.input.input_handler.InputHandler.get_input:: WARNING: py:class reference target not found: String
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/input/input_handler.py:docstring of simpleline.input.input_handler.InputHandler.get_input:: WARNING: py:class reference target not found: Prompt instance.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/input/input_handler.py:docstring of simpleline.input.input_handler.InputHandler.set_callback:: WARNING: py:class reference target not found: Method with 1 argument which is user input: def cb
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/input/input_handler.py:docstring of simpleline.input.input_handler.InputHandler.set_callback:: WARNING: py:class reference target not found: user_input
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/input/input_handler.py:docstring of simpleline.input.input_handler.InputHandler.get_input:: WARNING: py:class reference target not found: String
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/input/input_handler.py:docstring of simpleline.input.input_handler.InputHandler.get_input:: WARNING: py:class reference target not found: Prompt instance.
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/input/input_handler.py:docstring of simpleline.input.input_handler.InputHandler.set_callback:: WARNING: py:class reference target not found: Method with 1 argument which is user input: def cb
/home/tkloczko/rpmbuild/BUILD/python-simpleline-1.9.0/simpleline/input/input_handler.py:docstring of simpleline.input.input_handler.InputHandler.set_callback:: WARNING: py:class reference target not found: user_input
done
build succeeded, 105 warnings.