Upgrade packages. Remove Python 2.7 and 3.5 from tests, too difficult to support.

Author: andrivet

requirements-dev.txt

@@ -1,15 +1,15 @@
 -r requirements.txt
-pytest==6.2.5
-tox==3.17.1
+pytest==7.0.1
+tox==3.24.5
 flake8==4.0.1
-isort==5.9.3
+isort==5.10.1
 docutils==0.17
 check-manifest==0.47
-readme-renderer==30.0
-pygments==2.10.0
-sphinx==3.1.2
+readme-renderer==32.0
+pygments==2.11.2
+sphinx==4.4.0
 sphinx_rtd_theme==1.0.0
-coverage==6.0.2
-twine==3.4.2
-wheel==0.37.0
+coverage==6.3.2
+twine==3.8.0
+wheel==0.37.1
 advbumpversion==1.2.0

tox.ini

@@ -4,14 +4,12 @@
 envlist =
     clean,
     check,
-    {py27,py35,py36,py37,py38,py39,py310,pypy3},
+    {py36,py37,py38,py39,py310},
     report,
     docs
 
 [gh-actions]
 python =
-  2.7: py27
-  3.5: py35
   3.6: py36
   3.7: py37
   3.8: py38
@@ -25,25 +23,11 @@ setenv =
 passenv =
     *
 usedevelop = false
-deps =
-    pytest
-    nose
-    future
-    enum-compat
-    coverage
+deps = -rrequirements-dev.txt
 commands =
     pytest -vv tests
     coverage run -m pytest tests
 
-[testenv:bootstrap]
-deps =
-    jinja2
-    matrix
-skip_install = true
-commands =
-    python ci/bootstrap.py
-passenv =
-    *
 
 [testenv:spell]
 setenv =