django-redshift-backend depends directly on psycopg2. #149;

this commit works fine with uv-0.4.17, but not fine with pip-24.2

refs:
- pypa/pip#8686
- https://discuss.python.org/t/adding-a-default-extra-require-environment/4898
- https://discuss.python.org/t/the-extra-environment-marker-and-its-operators/4976

pyproject.toml

@@ -38,12 +38,12 @@ classifiers = [
 ]
 dependencies = [
     "django<5.2",
-    "psycopg2",
+    "psycopg2;extra!='dev'",
     "backports.zoneinfo;python_version<'3.9'",
 ]
 
 [project.optional-dependencies]
-psycopg2-binary = [
+dev = [
     "psycopg2-binary",
 ]
 

tox.ini

@@ -28,19 +28,18 @@ DJANGO =
 
 [testenv]
 deps =
+    .[dev]
     coverage
     pytest
     pytest-cov
     mock>=2.0
     django-environ
-    py38: backports.zoneinfo
     dj32: Django>=3.2,<3.3
     dj40: Django>=4.0,<4.1
     dj42: Django>=4.2,<5.0
     dj50: Django>=5.0,<5.1
     dj51: Django>=5.1,<5.2
     djmain: https://github.com/django/django/archive/main.tar.gz
-    .[psycopg2-binary]
 setenv =
     DJANGO_SETTINGS_MODULE = settings
     PYTHONPATH = {toxinidir}