remove support for python 3.9

.github/workflows/auto_approve_dependency_PRs.yaml

@@ -4,7 +4,7 @@ on:
       - cron: '*/30 * * * *'
   workflow_dispatch:
   workflow_run:
-    workflows: ["Unit Tests - Latest Dependencies", "Unit Tests - 3.8 Minimum Dependencies"]
+    workflows: ["Unit Tests - Latest Dependencies", "Unit Tests - 3.9 Minimum Dependencies"]
     branches:
       - 'latest-dep-update-[a-f0-9]+'
       - 'min-dep-update-[a-f0-9]+'

.github/workflows/build_docs.yaml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python_version: ["3.8","3.9", "3.10", "3.11"]
+        python_version: ["3.9", "3.10", "3.11"]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3

.github/workflows/install_test.yaml

@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python_version: ["3.8", "3.9", "3.10"]
+        python_version: ["3.9", "3.10", "3.11"]
         exclude:
           - python_version: "3.10"
             os: macos-latest

.github/workflows/latest_dependency_checker.yaml

@@ -19,7 +19,7 @@ jobs:
           repository: ${{ github.event.pull_request.head.repo.full_name }}
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: 3.9
       - name: Update dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/looking_glass_airflow_performance_tests.yaml

@@ -66,7 +66,7 @@ jobs:
                     "datasets-bucket-name-s3": "featuretools-performance-tests",
                     "results-bucket-name-s3": "featuretools-performance-results"
                   },
-                  "python_version": "3.8",
+                  "python_version": "3.9",
                   "scenarios_yaml": "entityset_scenarios_${{ matrix.test_type }}.yaml",
                   "featuretools_branch_previous": "${{ env.PREVIOUS_HASH }}",
                   "featuretools_branch_new": "${{ env.CURRENT_HASH }}",

.github/workflows/tests_with_latest_deps.yaml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python_version: ["3.8", "3.9", "3.10", "3.11"]
+        python_version: ["3.9", "3.10", "3.11"]
         libraries: ["core", "spark/dask - misc", "spark/dask - computational", "spark/dask - entityset_1", "spark/dask - entityset_2", "spark/dask - primitives"]
 
     steps:
@@ -45,7 +45,7 @@ jobs:
           python -m pip install -e unpacked_sdist/[dask]
           python -m pip install -e unpacked_sdist/[spark]
           python -m pip install -e unpacked_sdist/[test]
-      - if: ${{ matrix.python_version == 3.8 && startsWith(matrix.libraries, 'spark/dask') }}
+      - if: ${{ matrix.python_version == 3.9 && startsWith(matrix.libraries, 'spark/dask') }}
         name: Generate coverage args
         run: echo "coverage_args=--cov=featuretools --cov-config=../pyproject.toml --cov-report=xml:../coverage.xml" >> $GITHUB_ENV
       - if: ${{ env.coverage_args }}
@@ -99,7 +99,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python_version: ["3.8", "3.9", "3.10", "3.11"]
+        python_version: ["3.9", "3.10", "3.11"]
     steps:
       - name: Download miniconda
         shell: pwsh

.github/workflows/tests_with_minimum_deps.yaml

@@ -8,7 +8,7 @@ on:
   workflow_dispatch:
 jobs:
   py38_tests_minimum_dependencies:
-    name: Tests - 3.8 Minimum Dependencies
+    name: Tests - 3.9 Minimum Dependencies
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -22,7 +22,7 @@ jobs:
           repository: ${{ github.event.pull_request.head.repo.full_name }}
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: 3.9
       - name: Config pip, upgrade pip, and install graphviz
         run: |
           sudo apt update

.readthedocs.yaml

@@ -15,7 +15,7 @@ formats: []
 build:
   os: "ubuntu-22.04"
   tools:
-    python: "3.8"
+    python: "3.9"
   apt_packages:
     - graphviz
     - openjdk-11-jre-headless

docs/notebook_version_standardizer.py

@@ -75,7 +75,7 @@ def _fix_execution_and_output(notebook):
         json.dump(source, f, ensure_ascii=False, indent=1)
 
 
-def _get_notebooks_with_executions_and_empty(notebooks, default_version="3.8.2"):
+def _get_notebooks_with_executions_and_empty(notebooks, default_version="3.9.2"):
     executed = []
     empty_last_cell = []
     versions = []
@@ -89,7 +89,7 @@ def _get_notebooks_with_executions_and_empty(notebooks, default_version="3.8.2")
     return (executed, empty_last_cell, versions)
 
 
-def _fix_versions(notebooks, default_version="3.8.2"):
+def _fix_versions(notebooks, default_version="3.9.2"):
     for notebook in notebooks:
         _fix_python_version(notebook, default_version)
 

docs/source/install.md

@@ -1,6 +1,6 @@
 # Install
 
-Featuretools is available for Python 3.8 - 3.11. It can be installed from [pypi](https://pypi.org/project/featuretools/), [conda-forge](https://anaconda.org/conda-forge/featuretools), or from [source](https://github.com/alteryx/featuretools).
+Featuretools is available for Python 3.9 - 3.11. It can be installed from [pypi](https://pypi.org/project/featuretools/), [conda-forge](https://anaconda.org/conda-forge/featuretools), or from [source](https://github.com/alteryx/featuretools).
 
 To install Featuretools, run the following command:
 
@@ -201,7 +201,7 @@ You can do so by installing it as a package inside a container (following the no
 creating a new image with Featuretools pre-installed, using the following commands in your `Dockerfile`:
 
 ```dockerfile
-FROM --platform=linux/x86_64 python:3.8-slim-buster
+FROM --platform=linux/x86_64 python:3.9-slim-buster
 RUN apt update && apt -y update
 RUN apt install -y build-essential
 RUN pip3 install --upgrade --quiet pip

pyproject.toml

@@ -11,7 +11,6 @@ classifiers = [
     "Topic :: Scientific/Engineering",
     "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",
@@ -28,7 +27,7 @@ maintainers = [
 ]
 keywords = ["feature engineering", "data science", "machine learning"]
 license = {text = "BSD 3-clause"}
-requires-python = ">=3.8,<4"
+requires-python = ">=3.9,<4"
 dependencies = [
     "cloudpickle >= 1.5.0",
     "holidays >= 0.17",