pep8 compliant

benchmarks/bench_glm.py

benchmarks/bench_glmnet.py

benchmarks/bench_lasso.py

benchmarks/bench_plot_fastkmeans.py

benchmarks/bench_plot_lasso_path.py

benchmarks/bench_plot_neighbors.py

benchmarks/bench_plot_omp_lars.py

benchmarks/bench_plot_svd.py

benchmarks/bench_plot_ward.py

benchmarks/bench_sgd_covertype.py

doc/conf.py

doc/datasets/mldata_fixture.py

doc/sphinxext/gen_rst.py

doc/sphinxext/numpy_ext/docscrape.py

doc/sphinxext/numpy_ext/docscrape_sphinx.py

doc/sphinxext/numpy_ext/numpydoc.py

doc/sphinxext/numpy_ext_old/docscrape.py

doc/sphinxext/numpy_ext_old/docscrape_sphinx.py

doc/sphinxext/numpy_ext_old/numpydoc.py