Raise floor python version, update deps

.github/workflows/ci.yml

@@ -25,8 +25,7 @@ jobs:
     runs-on: ${{ matrix.platform }}
     strategy:
       matrix:
-        # if it works on 3.8 and 3.10, it ought to work on 3.9 as well, right?
-        python-version: ["3.8", "3.10", "3.11"]
+        python-version: ["3.10", "3.11"]
         platform: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v2

setup.py

@@ -27,20 +27,20 @@
     },
     setup_requires=["setuptools_scm"],
     install_requires=[
-        "absl-py>=0.9.0",
-        "lxml>=4.0",
-        "skia-pathops>=0.6.0",
+        "absl-py>=2.1.0",
+        "lxml>=5.3.0",
+        "skia-pathops>=0.8.0",
     ],
     extras_require={
         "dev": [
             "pytest",
             "pytest-clarity",
-            "black==23.3.0",
-            "pytype==2020.11.23; python_version < '3.9'",
+            "black==24.8.0",
+            "pytype==2024.9.13",
         ],
     },
     # this is so we can use the built-in dataclasses module
-    python_requires=">=3.8",
+    python_requires=">=3.10",
     # this is for type checker to use our inline type hints:
     # https://www.python.org/dev/peps/pep-0561/#id18
     package_data={"picosvg": ["py.typed"]},

tox.ini

@@ -11,7 +11,7 @@
 ;   $ export TOXENV=py39
 ;   $ tox
 ;     # If present use $TOXENV environment variable
-envlist = lint, py3{8,9,10,11}
+envlist = lint, py3{10,11}
 
 ; if any of the requested python interpreters is unavailable (e.g. on the local dev
 ; workstation), the tests are skipped and tox won't return an error
@@ -32,7 +32,6 @@ commands =
 description = Check python style and typing annotation
 usedevelop = true
 ; use the latest python that pytype supports
-basepython = python3.8
 commands =
     black --check --diff src tests
     pytype