MAINT: bump actions

Author: andyfaff

pyproject.toml

@@ -1,4 +1,4 @@
 [project]
-requires-python = ">=3.7"
+requires-python = ">=3.9"
 name = "refellips"
 dynamic=["version", "description", "readme", "license", "classifiers", "urls", "authors"]

setup.py

@@ -80,11 +80,12 @@ def get_version_info():
         GIT_REVISION = git_version()
     elif os.path.exists("refellips/version.py"):
         # must be a source distribution, use existing version file
-        # load it as a separate module to not load refellips/__init__.py
-        import imp
-
-        version = imp.load_source("refellips.version", "refellips/version.py")
-        GIT_REVISION = version.git_revision
+        # load it as a separate module to not load refnx/__init__.py
+        import importlib.util
+        spec = importlib.util.spec_from_file_location("version", "refnx/version.py")
+        module = importlib.util.module_from_spec(spec)
+        spec.loader.exec_module(module)
+        GIT_REVISION = module.git_revision
     else:
         GIT_REVISION = "Unknown"