Merge pull request #169 from matthiaskoenig/sensitivity · matthiaskoenig/sbmlsim@4348fa1

src/sbmlsim/combine/sedml/parser.py:1573:9: F842 Local variable `sed_curve` is annotated but never used

src/sbmlsim/combine/sedml/parser.py:1066:9: F842 Local variable `fig` is annotated but never used

src/sbmlsim/combine/sedml/parser.py:645:9: F842 Local variable `task` is annotated but never used

src/sbmlsim/combine/sedml/parser.py:643:9: F842 Local variable `fig_id` is annotated but never used

src/sbmlsim/combine/sedml/parser.py:419:9: F842 Local variable `model_key` is annotated but never used

src/sbmlsim/combine/sedml/parser.py:332:9: F842 Local variable `data` is annotated but never used

src/sbmlsim/combine/sedml/parser.py:331:9: F842 Local variable `did` is annotated but never used

src/sbmlsim/combine/sedml/io.py:7:20: F401 `typing.Dict` imported but unused

src/sbmlsim/combine/mathml.py:8:19: F401 `sympy.Symbol` imported but unused

src/sbmlsim/combine/mathml.py:5:36: F401 `typing.Tuple` imported but unused

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