Remove unused import, add github action workflow.

Author: iredmail

.github/workflows/tests.yml

@@ -0,0 +1,26 @@
+name: ruff + flake8
+
+on: [push]
+#on:
+#  schedule:
+#    # A complete cython build takes about 14 minutes, let's run it every Monday
+#    # and not waste too much GitHub free resource.
+#    - cron:  '1 1 * * 1'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v6
+      with:
+        fetch-depth: 1
+
+    - uses: astral-sh/ruff-action@v3
+    - uses: py-actions/flake8@v2
+      with:
+          ignore: "C901,E501,E402,W503,E722"
+          max-line-length: "127"
+          exclude: "web"
+          #path: "src"
+          #plugins: "flake8-bugbear==22.1.11 flake8-black"

libs/iredpwd.py

@@ -5,7 +5,6 @@
 import string
 import subprocess
 from base64 import b64encode, b64decode
-from hmac import compare_digest
 from os import urandom
 from typing import Union, List
 from passlib.hash import md5_crypt, sha512_crypt