Drop python3.7 support.

.github/workflows/tests.yml

@@ -33,7 +33,7 @@ jobs:
          conda create -n test -c conda-forge -y python=3.12 pip cartopy make
       - name: Install dependencies
         run: |
-          conda run -n test python3 -m pip install -U -e .[tests]
+          conda run -n test python3 -m pip install -U -e .[dev]
       - name: Linting the code
         run: |
           conda run -n test tox -e lint
@@ -46,7 +46,7 @@ jobs:
     strategy:
         max-parallel: 5
         matrix:
-          python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+          python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         fail-fast: false
     steps:
       - name: Checkout
@@ -62,7 +62,7 @@ jobs:
          conda create -n test -c conda-forge -y python=${{matrix.python-version}} ffmpeg pip cartopy make hdf5 pandoc
       - name: Install dependencies
         run: |
-          conda run -n test python3 -m pip install -U -e .[tests,docs]
+          conda run -n test python3 -m pip install -U -e .[dev]
       - name: Setup jupyter kernel
         run: |
           conda run -n test python3 -m ipykernel install --name tintx --display-name "tintX kernel" --env DATA_FILES ${PWD}/docs/source/_static/data --user

pyproject.toml

@@ -9,7 +9,7 @@ authors = [{name = "Martin Bergemann", email = "[email protected]"}]
 readme = "README.md"
 license = {file = "LICENSE"}
 dynamic = ["version"]
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 classifiers = [
     "Development Status :: 4 - Beta",
     "Environment :: Console",
@@ -18,7 +18,6 @@ classifiers = [
     "License :: OSI Approved :: BSD License",
     "Operating System :: POSIX :: Linux",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",