Hi, mkdocs-1.0.1 require minimal tornato-5.0 as reported hereinafter: Traceback (most recent call last): File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 573, in _build_master ws.require(__requires__) File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 891, in require needed = self.resolve(parse_requirements(requirements)) File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 782, in resolve raise VersionConflict(dist, req).with_context(dependent_req) pkg_resources.ContextualVersionConflict: (tornado 4.5.3 (/usr/lib64/python3.6/site-packages), Requirement.parse('tornado>=5.0'), {'mkdocs'}) During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib/python-exec/python3.6/mkdocs", line 6, in <module> from pkg_resources import load_entry_point File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 3098, in <module> @_call_aside File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 3082, in _call_aside f(*args, **kwargs) File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 3111, in _initialize_master_working_set working_set = WorkingSet._build_master() File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 575, in _build_master return cls._build_from_requirements(__requires__) File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 588, in _build_from_requirements dists = ws.resolve(reqs, Environment()) File "/usr/lib64/python3.6/site-packages/pkg_resources/__init__.py", line 777, in resolve raise DistributionNotFound(req, requirers) pkg_resources.DistributionNotFound: The 'tornado>=5.0' distribution was not found and is required by mkdocs --- a/mkdocs-1.0.1.ebuild 2018-09-15 22:09:27.000000000 +0200 +++ b/mkdocs-1.0.1.ebuild 2019-02-09 19:35:00.027946092 +0100 @@ -32,7 +32,7 @@ >=dev-python/mkdocs-bootstrap-0.1.1[${PYTHON_USEDEP}] >=dev-python/mkdocs-bootswatch-0.1.0[${PYTHON_USEDEP}] >=dev-python/pyyaml-3.10[${PYTHON_USEDEP}] - >=www-servers/tornado-4.1[${PYTHON_USEDEP}] + >=www-servers/tornado-5.0[${PYTHON_USEDEP}] " src_prepare() {