Requires python 3.9 in testing

.github/workflows/testing.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v3

fgspectra/power.py

@@ -9,20 +9,15 @@
 """
 
 import os
-
-try:
-    from importlib.resources import files as ilr
-except ImportError:
-    from importlib_resources import files as ilr
-
+import importlib.resources as ilr
 
 import numpy as np
 from .model import Model
 
 
 def _get_power_file(model):
     """File path for the named model"""
-    data_path = ilr("fgspectra") / "data"
+    data_path = ilr.files("fgspectra") / "data"
     filename = os.path.join(data_path, "cl_%s.dat" % model)
     if os.path.exists(filename):
         return filename

pyproject.toml

@@ -23,7 +23,7 @@ dependencies = [
 requires-python = ">=3.9"
 
 [project.optional-dependencies]
-dev = ["black", "bumpver", "isort", "pip-tools", "pytest", "importlib-resources"]
+dev = ["black", "bumpver", "isort", "pip-tools", "pytest"]
 
 [project.urls]
 "Homepage" = "https://github.com/simonsobs/fgspectra"

setup.py

@@ -11,11 +11,10 @@
     author="Simons Observatory fgspectra crew",
     author_email="",
     packages=["fgspectra"],
-    python_requires=">3.5",
+    python_requires=">3.9",
     install_requires=[
         "scipy",
         "pyyaml",
-        "importlib-resources;python_version<'3.9'",
     ],
     include_package_data=True,
 )