drop support for python 3.9

to match jdaviz doing the same

.github/workflows/ci_workflows.yml

@@ -51,24 +51,24 @@ jobs:
             toxposargs: --remote-data
             allow_failure: false
 
-          - name: OS X - Python 3.9
+          - name: OS X - Python 3.10
             os: macos-latest
-            python: 3.9
-            toxenv: py39-test
+            python: '3.10'
+            toxenv: py310-test
             allow_failure: false
 
-          - name: Windows - Python 3.9
+          - name: Windows - Python 3.11
             os: windows-latest
-            python: 3.9
-            toxenv: py39-test
+            python: 3.11
+            toxenv: py311-test
             allow_failure: false
 
           # This also runs on cron but we want to make sure new changes
           # won't break this job at the PR stage.
-          - name: Python 3.11 with latest dev versions of key dependencies, and remote data
+          - name: Python 3.12 with latest dev versions of key dependencies, and remote data
             os: ubuntu-latest
-            python: '3.11'
-            toxenv: py311-test-devdeps
+            python: '3.12'
+            toxenv: py312-test-devdeps
             toxposargs: --remote-data --run-slow
             allow_failure: true
 

.github/workflows/publish.yml

@@ -25,7 +25,7 @@ jobs:
 
     - uses: actions/setup-python@v5
       with:
-        python-version: 3.9
+        python-version: 3.10
 
     - name: Install python-build and twine
       run: python -m pip install build "twine>=3.3"

CHANGES.rst

@@ -1,7 +1,7 @@
 0.4.0 (unreleased)
 ------------------
 
-* Updates to use jdaviz 3.10. [#105]
+* Updates to use jdaviz 3.10, which now requires python 3.10+. [#105]
 
 * Support loading, viewing, and slicing through TPF data cubes. [#82, #117]
 

docs/installation.rst

@@ -51,7 +51,7 @@ Common Issues
 If you encounter problems while following these installation instructions,
 please consult :ref:`known installation issues <known_issues_installation>`.
 
-Note that ``lcviz`` requires Python 3.9 or newer. If your ``pip`` corresponds to an older version of
+Note that ``lcviz`` requires Python 3.10 or newer. If your ``pip`` corresponds to an older version of
 Python, it will raise an error that it cannot find a valid package.
 
 Users occasionally encounter problems running the pure ``pip`` install above. For those

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "lcviz"
 description = "A Jdaviz-based light curve analysis and visualization tool"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 authors = [
     { name = "JDADF Developers", email = "[email protected]" },
 ]