[PATCH] Remove Django 2.0 support

[Daniel Axtens]

It's no longer supported upstream, per
https://www.djangoproject.com/download/#supported-versions

Signed-off-by: Daniel Axtens <dja at axtens.net>
---
 README.rst                                                 | 2 +-
 .../notes/remove-django-2-0-support-623b936d377a8e56.yaml  | 5 +++++
 tox.ini                                                    | 7 +++----
 3 files changed, 9 insertions(+), 5 deletions(-)
 create mode 100644 releasenotes/notes/remove-django-2-0-support-623b936d377a8e56.yaml

diff --git a/README.rst b/README.rst
index 495cc2bd7862..f5fc1d1aba76 100644
--- a/README.rst
+++ b/README.rst
@@ -39,7 +39,7 @@ Requirements
 
 - Python (2.7, 3.5 - 3.8)
 
-- Django (1.11 - 2.2)
+- Django (1.11, 2.1 - 2.2)
 
 - Django REST Framework (3.6 - 3.9)
 
diff --git a/releasenotes/notes/remove-django-2-0-support-623b936d377a8e56.yaml b/releasenotes/notes/remove-django-2-0-support-623b936d377a8e56.yaml
new file mode 100644
index 000000000000..7513bbead6f8
--- /dev/null
+++ b/releasenotes/notes/remove-django-2-0-support-623b936d377a8e56.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Django 2.0 is no longer supported. It is no longer supported upstream
+    and most distributions provide a newer version.
diff --git a/tox.ini b/tox.ini
index 140c19246dd1..397a1c52745a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.0
-envlist = pep8,docs,py27-django111,py{35,36,37,38}-django{111,20,21,22}
+envlist = pep8,docs,py27-django111,py{35,36,37,38}-django{111,21,22}
 skipsdist = True
 
 [testenv]
@@ -11,10 +11,9 @@ deps =
     django111: djangorestframework>=3.6,<3.10; python_version < '3.0'
     django111: django-filter>=1.0,<3.0; python_version >= '3.5'
     django111: django-filter>=1.0,<2.0; python_version < '3.0'
-    django20: django>=2.0,<2.1
     django21: django>=2.1,<2.2
-    django{20,21}: djangorestframework>=3.7,<3.11
-    django{20,21}: django-filter>=2.0,<3.0
+    django21: djangorestframework>=3.7,<3.11
+    django21: django-filter>=2.0,<3.0
     django22: django>=2.2,<2.3
     django22: djangorestframework>=3.10,<3.11
     django22: django-filter>=2.1,<3.0
-- 
2.20.1