fix CI by dropping python 3.7 which is EOL

.github/workflows/ci.yml

@@ -12,9 +12,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.8, 3.9, "3.10", "3.11"]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:

.pre-commit-config.yaml

@@ -3,7 +3,7 @@ ci:
 
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
     -   id: trailing-whitespace
     -   id: end-of-file-fixer
@@ -14,27 +14,27 @@ repos:
     -   id: double-quote-string-fixer
     -   id: check-merge-conflict
 -   repo: https://github.com/asottile/reorder-python-imports
-    rev: v3.9.0
+    rev: v3.12.0
     hooks:
     -   id: reorder-python-imports
         args: [--py3-plus]
 -   repo: https://github.com/asottile/setup-cfg-fmt
-    rev: v2.3.0
+    rev: v2.5.0
     hooks:
     -   id: setup-cfg-fmt
 -   repo: https://github.com/psf/black
-    rev: 23.3.0
+    rev: 23.11.0
     hooks:
       - id: black-jupyter
         args: [--skip-string-normalization]
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.3.0
+    rev: v1.7.1
     hooks:
     -   id: mypy
         additional_dependencies: [numpy>=1.22.2]
 # jupyter hooks
 -   repo: https://github.com/nbQA-dev/nbQA
-    rev: 1.7.0
+    rev: 1.7.1
     hooks:
     -   id: nbqa
         name: mypy-juypter

setup.cfg

@@ -28,10 +28,9 @@ install_requires =
     scipy
     tqdm
     xarray>=0.17.0
-    importlib-metadata<5.0.0;python_version=="3.7"
     importlib-metadata;python_version<"3.9"
     importlib-resources;python_version<"3.9"
-python_requires = >=3.7
+python_requires = >=3.8
 
 [options.packages.find]
 exclude =

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py37, py38, py39, py310, pre-commit
+envlist = py38, py39, py310, py311, pre-commit
 skip_missing_interpreters = true
 
 [testenv]