Update mkdocs

Author: stsewd

readthedocs/doc_builder/python_environments.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 """An abstraction over virtualenv and Conda environments."""
 
 import copy
@@ -9,8 +7,6 @@
 import os
 import shutil
 
-from django.conf import settings
-
 from readthedocs.config import PIP, SETUPTOOLS
 from readthedocs.config.models import PythonInstall, PythonInstallRequirements
 from readthedocs.doc_builder.config import load_yaml_config
@@ -295,7 +291,7 @@ def install_core_requirements(self):
         ]
 
         if self.config.doctype == 'mkdocs':
-            requirements.append('mkdocs==0.17.3')
+            requirements.append('mkdocs<1.1')
         else:
             # We will assume semver here and only automate up to the next
             # backward incompatible release: 2.x