CI: add linting and formatting checks

.github/workflows/build_and_test.yml

@@ -1,6 +1,3 @@
-# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
-
 name: build
 
 on:
@@ -44,6 +41,14 @@ jobs:
         run: |
           poetry install --with dev
 
+      - name: Check linting
+        run: |
+          poetry run task lint
+
+      - name: Check formatting
+        run: |
+          poetry run task is-formatted
+
       - name: Test with pytest
         run: |
           poetry run task force-cpu-torch

pyproject.toml

@@ -59,6 +59,7 @@ flake8 = "<6.0.0"
 test = "pytest tests/*"
 lint = "flake8 --max-line-length 90 --ignore=E203,E501,W503 --per-file-ignores='__init__.py:F401' langtest/"
 format = "black langtest/ tests/"
+is-formatted = "black --check langtest/ tests/"
 force-cpu-torch = "python -m pip install torch --index-url https://download.pytorch.org/whl/cpu"