www/py-django-prometheus: Update to 2.3.1

* Add test suite while I'm here.

Changelog since 2.2.0:

https://github.com/korfuri/django-prometheus/blob/v2.3.1/CHANGELOG.md

www/py-django-prometheus/Makefile

 PORTNAME=	django-prometheus
-PORTVERSION=	2.2.0
-PORTREVISION=	1
+PORTVERSION=	2.3.1
 CATEGORIES=	www python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
@@ -12,11 +11,13 @@ WWW=		https://github.com/korfuri/django-prometheus
 LICENSE=	APACHE20
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest-runner>0:devel/py-pytest-runner@${PY_FLAVOR}
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}django32>=2.2:www/py-django32@${PY_FLAVOR} \
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}django32>=3.2:www/py-django32@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}prometheus-client>=0.7:net-mgmt/py-prometheus-client@${PY_FLAVOR}
 
 USES=		python:3.6+
-USE_PYTHON=	autoplist distutils
+USE_PYTHON=	autoplist distutils pytest
+
+TEST_ENV=	PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 
 CONFLICTS_INSTALL=	${PYTHON_PKGNAMEPREFIX}*${PORTNAME}
 

www/py-django-prometheus/distinfo

-TIMESTAMP = 1641495767
-SHA256 (django-prometheus-2.2.0.tar.gz) = 240378a1307c408bd5fc85614a3a57f1ce633d4a222c9e291e2bbf325173b801
-SIZE (django-prometheus-2.2.0.tar.gz) = 24995
+TIMESTAMP = 1683262385
+SHA256 (django-prometheus-2.3.1.tar.gz) = f9c8b6c780c9419ea01043c63a437d79db2c33353451347894408184ad9c3e1e
+SIZE (django-prometheus-2.3.1.tar.gz) = 24718