The below updates patsy from a 2015 release to the latest version released 
in 2024. Besides catching up on close to a decade of changes, the main 
benefit is dropping the TDEP on nose.

Note that the patsy project recommends migrating away from patsy to 
formulaic.

ok on the update below?

Index: Makefile
===================================================================
RCS file: /cvs/ports/math/py-patsy/Makefile,v
diff -u -p -u -r1.12 Makefile
--- Makefile	25 Nov 2022 19:30:35 -0000	1.12
+++ Makefile	12 Feb 2024 03:44:16 -0000
@@ -1,16 +1,13 @@
 COMMENT =		Python package for describing statistical models
 
-MODPY_EGG_VERSION =	0.4.1
+MODPY_EGG_VERSION =	0.5.6
 DISTNAME =		patsy-${MODPY_EGG_VERSION}
 PKGNAME =		py-${DISTNAME}
 CATEGORIES =		math
-REVISION =		6
 
 # BSD
 PERMIT_PACKAGE =	Yes
 
-EXTRACT_SUFX =		.zip
-
 MODULES =		lang/python
 
 MODPY_PI =		Yes
@@ -19,7 +16,8 @@ MODPY_PYTEST_ARGS =	patsy
 
 RUN_DEPENDS =		devel/py-six${MODPY_FLAVOR} \
 			math/py-numpy${MODPY_FLAVOR}
-TEST_DEPENDS =		devel/py-nose${MODPY_FLAVOR} \
+
+TEST_DEPENDS =		devel/py-test-cov${MODPY_FLAVOR} \
 			math/py-scipy${MODPY_FLAVOR}
 
 FLAVORS =		python3
Index: distinfo
===================================================================
RCS file: /cvs/ports/math/py-patsy/distinfo,v
diff -u -p -u -r1.1.1.1 distinfo
--- distinfo	24 Feb 2017 21:51:36 -0000	1.1.1.1
+++ distinfo	12 Feb 2024 03:44:16 -0000
@@ -1,2 +1,2 @@
-SHA256 (patsy-0.4.1.zip) = 3BzCgARbDm5QwEcG/R4m0qAOpACqES+I6BQviLC309Q=
-SIZE (patsy-0.4.1.zip) = 425390
+SHA256 (patsy-0.5.6.tar.gz) = lcbUenIiU1+Ev/f2PXMD8uKXdHpZjbic9cZ/DAx9LNs=
+SIZE (patsy-0.5.6.tar.gz) = 398011