refactor: Enable style checks in CI and fix styling

.github/workflows/ci.yml

@@ -27,11 +27,9 @@ jobs:
 
       - name: Run black formatting check
         run: alix-venv/bin/black --check .
-        continue-on-error: true # TODO: Fix formatting issues in separate PR
 
       - name: Run flake8 linting
-        run: alix-venv/bin/flake8 .
-        continue-on-error: true # TODO: Fix linting issues in separate P
+        run: make check-style
 
       - name: Run tests
-        run: alix-venv/bin/pytest --tb=short
+        run: make test

Makefile

@@ -1,4 +1,4 @@
-.PHONY: help install dev-install test clean venv
+.PHONY: help install dev-install check-style test clean venv
 
 VENV = alix-venv
 PYTHON = $(VENV)/bin/python
@@ -17,6 +17,14 @@ install: venv  ## Install alix in production mode
 dev-install: venv  ## Install alix with dev dependencies
 	$(PIP) install -e ".[dev]"
 
+black: dev-install  ## Run black
+	$(VENV)/bin/black alix
+	$(VENV)/bin/black tests
+
+check-style: dev-install  ## Run style checks
+	$(VENV)/bin/flake8 alix --count --show-source --statistics
+	$(VENV)/bin/flake8 tests --count --show-source --statistics
+
 test: dev-install  ## Run tests
 	$(VENV)/bin/pytest