Remove Python 3.8 support

Author: pawelad

.github/workflows/ci.yml

@@ -25,7 +25,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"

CONTRIBUTING.md

@@ -7,7 +7,7 @@ Please also note that this project is released with a [Contributor Code of Condu
 By participating in this project you agree to abide by its terms.
 
 ## Tools used
-**Language:** [Python 3.8+][python]  
+**Language:** [Python 3.9+][python]  
 **CI:** [GitHub Actions]  
 **Docs:** [mkdocs], [mkdocs-material], [mkdocstrings], [Read The Docs]  
 **Testing:** [pytest], [nox]  

README.md

@@ -9,7 +9,7 @@
 
 Modern Python API client for [Monzo] public [API][monzo api docs].
 
-- Works on Python 3.8+
+- Works on Python 3.9+
 - Fully type annotated
 - Explicitly defined and validated API schemas (via [Pydantic])
 - Sensible defaults (don't specify account / pot ID if you only have one active)

noxfile.py

@@ -10,7 +10,7 @@
 DEFAULT_PATHS = ["src/", "tests/", "noxfile.py"]
 
 
-@nox.session(python=["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"])
+@nox.session(python=["3.9", "3.10", "3.11", "3.12", "3.13"])
 def tests(session: nox.Session) -> None:
     """Run tests."""
     dirs = session.posargs or ["tests/"]

pyproject.toml

@@ -7,7 +7,7 @@ name = "pymonzo"
 description = "Modern Python API client for Monzo public API."
 authors = [{name = "Paweł Adamczak", email = "[email protected]"}]
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = {file = "LICENSE"}
 keywords = ["monzo", "api"]
 classifiers = [
@@ -17,7 +17,6 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -78,7 +77,7 @@ GitHub = "https://github.com/pawelad/pymonzo"
 Issues = "https://github.com/pawelad/pymonzo/issues"
 
 [tool.black]
-target-version = ["py38"]
+target-version = ["py39"]
 
 [tool.coverage.run]
 branch = true
@@ -103,7 +102,7 @@ profile = "black"
 src_paths = ["src"]
 
 [tool.mypy]
-python_version = "3.8"
+python_version = "3.9"
 mypy_path = "src"
 plugins = [
   "pydantic.mypy",
@@ -125,7 +124,7 @@ testpaths = "tests"
 pythonpath = "src"
 
 [tool.ruff]
-target-version = "py38"
+target-version = "py39"
 
 [tool.ruff.lint]
 select = [