Fix time_response_plot for response lists#1224
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Route TimeResponseList and plain lists of time responses through the existing TimeResponseList plotting path when calling the public time_response_plot function directly. This keeps response_list.plot() behavior unchanged while fixing the standalone function for list-returning simulation calls.
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Fixes #1171.
step_response([sys1, sys2])and related simulation calls returnTimeResponseList. Calling.plot()on that object already worked, but calling the public function directly raised before it could plot:This routes
TimeResponseListand plain Python lists of time responses through the existingTimeResponseList.plot()path. The change is scoped to the crash/list-support part of the issue and leaves the color-improvement discussion separate.Local validation:
ct.time_response_plot(ct.step_response([sys1, sys2]))raisedAttributeError: 'TimeResponseList' object has no attribute 'plot_inputs'.(1, 1)plot with two lines for SISO responses.MPLBACKEND=Agg PYTHONPATH=. python -m pytest control\tests\timeplot_test.py::test_list_responses -q-> 5 passedMPLBACKEND=Agg PYTHONPATH=. python -m pytest control\tests\timeplot_test.py -q-> 73 passed, 3 skippedpython -m ruff check control\timeplot.py control\tests\timeplot_test.pypython -m compileall -q control\timeplot.py control\tests\timeplot_test.pygit diff --checkAuthored with assistance from OpenAI Codex.