Add linting for python.

.github/workflows/lint.yaml

+name: Lint
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+      - name: Install dependencies
+        run: pip install ruff yapf
+      - name: Run ruff check
+        run: ruff check nunchaku comfyui examples tests --output-format github
+      - name: Run yapf check
+        run: yapf --diff nunchaku comfyui examples tests --recursive

.pre-commit-config.yaml

+repos:
+  - repo: https://github.com/charliermarsh/ruff-pre-commit
+    rev: v0.11.2
+    hooks:
+      - id: ruff
+        args: ["check", "nunchaku", "comfyui", "examples", "tests", "--output-format", "github"]
+  - repo: https://github.com/google/yapf
+    rev: v0.43.0
+    hooks:
+      - id: yapf
+        args: ["--diff", "--recursive", "nunchaku", "comfyui", "examples", "tests" ]

pyproject.toml

@@ -10,6 +10,13 @@ build-backend = "setuptools.build_meta"
 [tool.setuptools.packages.find]
 include = ["nunchaku"]
 
+[tool.ruff]
+line-length = 140
+
+[tool.ruff.lint]
+select = ["E", "W"]
+ignore = ["F401", "E501"]
+
 [project]
 dynamic = ["version"]
 name = "nunchaku"