Update tox to not run codecov as github action takes care of it (dropbox#224)

* Update tox to not run codecov as github action takes care of it
* Update 3.9-dev
* Remove python2 from codecov computation

Author: rogebrd

.github/workflows/codecovupload.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [2.7, 3.x]
+        python-version: [3.x]
 
     steps:
     - uses: actions/checkout@v2

.travis.yml

@@ -23,5 +23,3 @@ matrix:
         - python: "3.9-dev"
 script:
     - tox
-after_success:
-  - bash <(curl -s https://codecov.io/bash)

codecov.yaml

@@ -6,11 +6,9 @@ coverage:
         threshold: 1%
         base: auto
         flags:
-          - unit
+          - unittest
         paths:
           - "dropbox"
-        branches:
-          - master
         if_not_found: success
         if_ci_failed: error
         informational: true

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 
-envlist = py{27,34,35,36,37,38,py,py3},check,lint,docs,test_unit,coverage,codecov
+envlist = py{27,34,35,36,37,38,39-dev,py,py3},check,lint,docs,test_unit,coverage
 skip_missing_interpreters = true
 
 [tox:travis]
@@ -10,8 +10,9 @@ pypy = check, lint, docs, test_unit
 3.4 = check, lint, docs, test_unit
 3.5 = check, lint, docs, test_unit
 3.6 = check, lint, docs, test_unit
-3.7 = check, lint, docs, test_unit, coverage, codecov
-3.8 = check, lint, docs, test_unit, coverage, codecov
+3.7 = check, lint, docs, test_unit
+3.8 = check, lint, docs, test_unit
+3.9-dev = check, lint, docs, test_unit
 pypy3 = check, lint, docs, test_unit
 
 
@@ -66,7 +67,7 @@ usedevelop = true
 
 commands =
     coverage run --rcfile=.coveragerc -m pytest test/test_dropbox_unit.py
-    coverage xml
+    coverage report
 
 deps =
     -rtest/requirements.txt
@@ -85,9 +86,4 @@ description = invoke sphinx-build to build the HTML docs
 extras = docs
 commands = sphinx-build -b html docs build/html
 deps =
-    sphinx
-
-[testenv:codecov]
-passenv = CI TRAVIS TRAVIS_*
-deps = codecov
-commands = codecov
+    sphinx