github actions: split lint & test

.github/workflows/lint.yml

@@ -0,0 +1,19 @@
+name: CI
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+jobs:
+  Build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Set up Python'
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.10'
+      - uses: actions/checkout@v2
+      - run: pip install black flake8
+      - run: make lint

Makefile

@@ -3,9 +3,11 @@ export PYTHONPATH=.
 
 .PHONY: test
 
-test:
+lint:
 	flake8 avatar --ignore=E124,E501,E127,E128,E722
 	black --check .
+
+test:
 	coverage run --source=avatar `which django-admin` test tests
 	coverage report
 

tests/requirements.txt

@@ -1,3 +1 @@
-black
-flake8
 coverage==6.4.2