Setup flake8 CI job (#207)

.flake8

@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 100

.github/workflows/lint.yml

@@ -0,0 +1,19 @@
+name: Lint
+
+on: [push, pull_request, workflow_dispatch]
+
+permissions:
+  contents: read
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.x"
+
+      - uses: pre-commit/action@v3.0.0

.pre-commit-config.yaml

@@ -13,5 +13,10 @@ repos:
     hooks:
       - id: tox-ini-fmt
 
+  - repo: https://github.com/PyCQA/flake8
+    rev: 6.0.0
+    hooks:
+      - id: flake8
+
 ci:
   autoupdate_schedule: quarterly

geojson/utils.py

@@ -209,11 +209,11 @@ def createPoly():
         return Polygon([points])
 
     def clip(x, min, max):
-        if(min > max):
+        if min > max:
             return x
-        elif(x < min):
+        elif x < min:
             return min
-        elif(x > max):
+        elif x > max:
             return max
         else:
             return x