add ruff and check formatting in CI

.github/workflows/ruff.yml

@@ -0,0 +1,16 @@
+name: Ruff
+on: [push, pull_request]
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v3
+        with:
+          python-version: 3.11
+      - name: Install dependencies
+        run: |
+          python -m pip install .[test]
+      - name: Validate formatting with Ruff
+        uses: chartboost/ruff-action@v1

lago_python_client/models/plan.py

@@ -1,11 +1,19 @@
 from typing import List, Optional
 
 from lago_python_client.base_model import BaseModel
-from lago_python_client.models.usage_threshold import UsageThreshold
 
 from .charge import Charges, ChargesResponse, ChargesOverrides
-from .usage_threshold import UsageThresholds, UsageThresholdsResponse, UsageThresholdsOverrides
-from .minimum_commitment import MinimumCommitment, MinimumCommitmentResponse, MinimumCommitmentOverrides
+from .usage_threshold import (
+    UsageThreshold,
+    UsageThresholds,
+    UsageThresholdsResponse,
+    UsageThresholdsOverrides,
+)
+from .minimum_commitment import (
+    MinimumCommitment,
+    MinimumCommitmentResponse,
+    MinimumCommitmentOverrides,
+)
 from .tax import Taxes, TaxesResponse
 from ..base_model import BaseResponseModel
 
@@ -47,6 +55,7 @@ class PlanResponse(BaseResponseModel):
     draft_invoices_count: int
     taxes: Optional[TaxesResponse]
 
+
 class PlanOverrides(BaseModel):
     name: Optional[str]
     invoice_display_name: Optional[str]

pyproject.toml

@@ -1,6 +1,7 @@
 [build-system]
-requires = [
-    "setuptools>=54",
-    "wheel"
-]
+requires = ["setuptools>=54", "wheel"]
 build-backend = "setuptools.build_meta"
+
+[tool.ruff.lint]
+extend-select = ['E305']
+preview = true