[python-linker] flake8 + yapf

src/dynamic_graph/sot/core/feature_position.py

src/dynamic_graph/sot/core/feature_position_relative.py

src/dynamic_graph/sot/core/math_small_entities.py

src/dynamic_graph/sot/core/matrix_util.py

src/dynamic_graph/sot/core/meta_task_6d.py

src/dynamic_graph/sot/core/meta_task_visual_point.py

src/dynamic_graph/sot/core/meta_tasks.py

src/dynamic_graph/sot/core/meta_tasks_kine_relative.py

src/dynamic_graph/sot/core/utils/attime.py

src/dynamic_graph/sot/core/utils/history.py

src/dynamic_graph/sot/core/utils/viewer_helper.py

src/dynamic_graph/sot/core/utils/viewer_loger.py

tests/python/initialize-euler.py

tests/python/matrix-util.py

tests/python/op-point-modifier.py

tests/python/parameter_server_conf.py

tests/python/test-parameter-server.py