📦⬆️ Drop support for Python 3.9 and simplify code

Author: tsvikas

copier.yml

@@ -86,8 +86,8 @@ year:
 
 python_min:
   type: int
-  help: Minimal minor version of python, i.e '9' or '13' for 3.9 or 3.13
-  default: 13
+  help: Minimal minor version of Python, i.e '13' for 3.13
+  default: 10
   validator: >-
     {% if python_min < 8 %}Must be >= 8{% endif %}
 

ctt.toml

@@ -35,7 +35,6 @@ package_name = "delorian_car"
 package_description = "A car that flies."
 license = "MIT"
 year = 2015
-# python_min = default
 get_package_version_from_vcs = false
 has_cli = true
 jupyter_files = "forbid"
@@ -78,8 +77,8 @@ _extra_tasks = [
 [output.".ctt/package_version_from_vcs"]
 get_package_version_from_vcs = true
 
-[output.".ctt/python3.9"]
-python_min = 9
+[output.".ctt/python3.10"]
+python_min = 10
 get_package_version_from_vcs = true
 has_cli = true
 jupyter_files = "strip_outputs"

project_name/.pre-commit-config.yaml.jinja

@@ -123,12 +123,10 @@ repos:
           - mdformat-gfm-alerts
 
   # reStructuredText files
-  {%- if python_min >= 10 %}
   - repo: https://github.com/PyCQA/doc8
     rev: <placeholder_until_update_deps>
     hooks:
       - id: doc8
-  {%- endif %}
 
   # Python files
   {%- if format_tool == "black" %}

project_name/src/{{package_name}}/{% if has_cli %}cli.py{% endif %}.jinja

@@ -4,9 +4,6 @@ Currently, a placeholder until the real CLI will be added.
 """
 
 from typing import Annotated
-{%- if python_min < 10 -%}
-, Optional
-{%- endif %}
 
 import typer
 from click.exceptions import UsageError
@@ -27,11 +24,7 @@ def callback(
     ctx: typer.Context,
     *,
     version: Annotated[  # noqa: ARG001
-        {%- if python_min < 10 %}
-        Optional[bool],  # noqa: FA100 (needed for typer)
-        {%- else %}
         bool | None,
-        {%- endif %}
         typer.Option(
             "--version",
             "-V",