Removes Python 3.9 support

Drops support for Python 3.9.

ENG-6828

Author: sebastian-quintero

.github/workflows/lint.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
     steps:
       - name: git clone
         uses: actions/checkout@v4

.github/workflows/test.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.13"]
+        python-version: ["3.10", "3.13"]
     steps:
       - name: git clone
         uses: actions/checkout@v4

README.md

@@ -38,7 +38,7 @@ modeling and execution. It provides first-class support for Workflows in the
 
 ## Installation
 
-The package is hosted on [PyPI][nextpipe-pypi]. Python `>=3.9` is required.
+The package is hosted on [PyPI][nextpipe-pypi]. Python `>=3.10` is required.
 
 Install via `pip`:
 

docs/index.md

@@ -37,7 +37,7 @@ modeling and execution. It provides first-class support for Workflows in the
 
 ## Installation
 
-The package is hosted on [PyPI][nextpipe-pypi]. Python `>=3.9` is required.
+The package is hosted on [PyPI][nextpipe-pypi]. Python `>=3.10` is required.
 
 Install via `pip`:
 

pyproject.toml

@@ -9,7 +9,6 @@ authors = [
 classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -43,15 +42,15 @@ maintainers = [
 ]
 name = "nextpipe"
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 
 [project.urls]
 Homepage = "https://www.nextmv.io"
 Documentation = "https://nextpipe.docs.nextmv.io/en/latest/"
 Repository = "https://github.com/nextmv-io/nextpipe"
 
 [tool.ruff]
-target-version = "py39"
+target-version = "py310"
 lint.select = [
     "E",  # pycodestyle errors
     "W",  # pycodestyle warnings