Peripheral: Run with python 3.6

.travis.yml

@@ -12,7 +12,7 @@ matrix:
   include:
     - python: '3.6'
       env:
-        - TOXENV=py36,report,codecov
+        - TOXENV=py36,report
 before_install:
   - python --version
   - uname -a

tox.ini

@@ -11,7 +11,7 @@ envlist =
 [testenv]
 basepython =
     py36: {env:TOXPYTHON:python3.6}
-    {bootstrap,clean,check,report,coveralls,codecov}: {env:TOXPYTHON:python3}
+    {bootstrap,clean,check,report,coveralls}: {env:TOXPYTHON:python3}
 setenv =
     PYTHONPATH={toxinidir}/tests
     PYTHONUNBUFFERED=yes
@@ -55,6 +55,8 @@ deps =
     pyenchant
 
 [testenv:docs]
+basepython =
+    py36: {env:TOXPYTHON:python3.6}
 deps =
     -r{toxinidir}/docs/requirements.txt
 commands =