Update sphinx-rtd-theme from 0.4.1 to 0.4.2 (#4810)
Update sphinx-rtd-theme from 0.4.1 to 0.4.2 (#4810)


pypa/warehouse,dstufft/warehouse,dstufft/warehouse,pypa/warehouse,dstufft/warehouse,pypa/warehouse,dstufft/warehouse,pypa/warehouse