Drops support for Python2.7

.travis.yml

@@ -11,8 +11,8 @@ cache: pip
 
 # Use a two-stage approach, to minimize CI time on failures.
 stages:
-- primary
-- secondary
+  - primary
+  - secondary
 
 env: DJANGO_SETTINGS_MODULE="settings.test_settings"
 
@@ -21,7 +21,6 @@ jobs:
     # Basic Checks
     - stage: primary
       env: NOXSESSION=lint-3.5
-    - env: NOXSESSION=test-2.7
     - env: NOXSESSION=test-3.5
     - env: NOXSESSION=docs
 
@@ -44,8 +43,8 @@ install:
   - python -m pip install --force-reinstall pip
 
   # Install the CI dependencies
-  - python -m pip install celery==3.1.20  # pin from requirements.txt
-  - python -m pip install Django==1.9  # pin from requirements.txt
+  - python -m pip install celery==3.1.20 # pin from requirements.txt
+  - python -m pip install Django==1.9 # pin from requirements.txt
   - python -m pip install nox
   - python -m pip install coveralls
 
@@ -58,5 +57,5 @@ after_success:
 
 notifications:
   email:
-    on_success: change  # [always|never|change]
-    on_failure: always  # [always|never|change]
+    on_success: change # [always|never|change]
+    on_failure: always # [always|never|change]

noxfile.py

@@ -15,7 +15,7 @@ def dev(session):
     session.run("python", "manage.py", *session.posargs)
 
 
-@nox.session(python=["2.7", "3.5", "3.6", "3.7", "3.8"])
+@nox.session(python=["3.5", "3.6", "3.7", "3.8"])
 def test(session):
     session.install("-r", "requirements.txt")
     session.install("-r", "tools/requirements-test.txt")