flake8 2.5.5 -> 2.6.0 python-ipython_ipywidgets 4.1.1 -> 5.0.0 python-ipython_ipywidgets 4.1.1 -> 5.1.0 python-ipython_ipywidgets 4.1.1 -> 5.1.1 python-ipython_ipywidgets 4.1.1 -> 5.1.2 python-ipython_ipywidgets 4.1.1 -> 5.1.3 python-ipython_ipywidgets 4.1.1 -> 5.1.4 python-ipython_ipywidgets 4.1.1 -> 5.1.5 python-psutil 4.2.0 -> 4.3.0 python-tornado 4.2.1 -> 4.3