Lower min required Python version to 3.7 (#14)

* Lower min required Python version

* Add Python 3.7 classifier

* Add Python 3.7 to test workflow

* Set pyupgrade hook to Python 3.7 plus

Author: donatasm

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu, macos, windows]
-        python-version: ["3.8", "3.9", "3.10", "3.11-dev"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11-dev"]
 
     steps:
       - uses: actions/checkout@v3

.pre-commit-config.yaml

@@ -32,7 +32,7 @@ repos:
     rev: v2.37.3
     hooks:
       - id: pyupgrade
-        args: [--py38-plus]
+        args: [--py37-plus]
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: v2.7.1
     hooks:

pyproject.toml

@@ -5,14 +5,15 @@ build-backend = "flit_core.buildapi"
 [project]
 name = "lazy_loader"
 version = "0.1rc2.dev0"
-requires-python = ">=3.8"
+requires-python = ">=3.7"
 authors = [{name = "Scientific Python Developers"}]
 readme = "README.md"
 license = {file = "LICENSE.md"}
 classifiers = [
   "Development Status :: 4 - Beta",
   "License :: OSI Approved :: BSD License",
   "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.7",
   "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",