Remove py35 from tox.ini too; make black target Python 3.6

Author: matthiask

Makefile

@@ -4,14 +4,14 @@ PRETTIER_TARGETS = '**/*.(css|js)'
 
 style: package-lock.json
 	isort .
-	black --target-version=py35 .
+	black --target-version=py36 .
 	flake8
 	npx eslint --ignore-path .gitignore --fix .
 	npx prettier --ignore-path .gitignore --write $(PRETTIER_TARGETS)
 
 style_check: package-lock.json
 	isort -c .
-	black --target-version=py35 --check .
+	black --target-version=py36 --check .
 	flake8
 	npx eslint --ignore-path .gitignore .
 	npx prettier --ignore-path .gitignore --check $(PRETTIER_TARGETS)

tox.ini

@@ -3,7 +3,7 @@ envlist =
     docs
     style
     readme
-    py{35,36,37,38}-dj22-sqlite
+    py{36,37,38}-dj22-sqlite
     py{36,37,38}-dj{30,31}-sqlite
     py{36,37,38}-djmaster-sqlite
     py{37,38}-dj{22,30,31}-{postgresql,mariadb}