Reverted some imports

examples/injection_examples/australian_detector.py

examples/injection_examples/binary_neutron_star_example.py

examples/injection_examples/calibration_example.py

examples/injection_examples/change_sampled_parameters.py

examples/injection_examples/create_your_own_source_model.py

...tion_examples/create_your_own_time_domain_source_model.py

examples/injection_examples/custom_proposal_example.py

examples/injection_examples/eccentric_inspiral.py

examples/injection_examples/fake_sampler_example.py

examples/injection_examples/fast_tutorial.py

examples/injection_examples/how_to_specify_the_prior.py

examples/injection_examples/marginalized_likelihood.py

examples/injection_examples/non_tensor.py

examples/injection_examples/plot_skymap.py

examples/injection_examples/plot_time_domain_data.py

examples/injection_examples/roq_example.py

examples/injection_examples/sine_gaussian_example.py

examples/injection_examples/standard_15d_cbc_tutorial.py

test/detector_test.py