update ci

.github/workflows/ci_tests.yml

@@ -30,22 +30,27 @@ jobs:
           - name: Python 3.10 with minimal dependencies
             os: ubuntu-latest
             python: 3.10
-            toxenv: py37-test
+            toxenv: py310-test
+
+          - name: Python 3.12 with minimal dependencies
+            os: ubuntu-latest
+            python: 3.12
+            toxenv: py312-test
 
           - name: Python 3.11 with all optional dependencies and coverage checking
             os: ubuntu-latest
             python: 3.11
-            toxenv: py38-test-alldeps-cov
+            toxenv: py311-test-alldeps-cov
 
           - name: macOS - Python 3.11 with all optional dependencies
             os: macos-latest
             python: 3.11
-            toxenv: py38-test-alldeps
+            toxenv: py311-test-alldeps
 
           - name: Windows - Python 3.11 with all optional dependencies
             os: windows-latest
             python: 3.11
-            toxenv: py38-test-alldeps
+            toxenv: py311-test-alldeps
 
           # - name: Python 3.10 with oldest supported version of all dependencies
           #   os: ubuntu-16.04
@@ -55,7 +60,7 @@ jobs:
           # - name: Python 3.11 with latest dev versions of key dependencies
           #   os: ubuntu-latest
           #   python: 3.11
-          #   toxenv: py38-test-devdeps
+          #   toxenv: py311-test-devdeps
 
           # - name: Test building of Sphinx docs
           #   os: ubuntu-latest

tox.ini

@@ -1,8 +1,8 @@
 [tox]
 envlist =
-    py{36,37,38}-test{,-alldeps,-devdeps}{,-cov}
-    py{36,37,38}-test-numpy{116,117,118}
-    py{36,37,38}-test-astropy{30,40,lts}
+    py{310,311,312}-test{,-alldeps,-devdeps}{,-cov}
+    py{310,311,312}-test-numpy{116,117,118,120,126,200}
+    py{310,311,312}-test-astropy{30,40,lts}
     build_docs
     linkcheck
     codestyle
@@ -43,6 +43,9 @@ description =
     numpy116: with numpy 1.16.*
     numpy117: with numpy 1.17.*
     numpy118: with numpy 1.18.*
+    numpy120: with numpy 1.20.*
+    numpy126: with numpy 1.26.*
+    numpy200: with numpy 200.*
     astropy30: with astropy 3.0.*
     astropy40: with astropy 4.0.*
     astropylts: with the latest astropy LTS
@@ -54,10 +57,13 @@ deps =
     numpy116: numpy==1.16.*
     numpy117: numpy==1.17.*
     numpy118: numpy==1.18.*
+    numpy120: numpy==1.20.*
+    numpy126: numpy==1.26.*
+    numpy200: numpy==2.00.*
 
     astropy30: astropy==3.0.*
     astropy40: astropy==4.0.*
-    astropylts: astropy==4.0.*
+    astropylts: astropy==6.0.*
 
     devdeps: :NIGHTLY:numpy
     devdeps: git+https://github.com/astropy/astropy.git#egg=astropy