[MNT] python 3.14 compatibility and python 3.9 end-of-life (#618)

python 3.14 compatibility and python 3.9 end-of-life

Author: fkiraly

.github/workflows/test.yml

@@ -93,7 +93,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
         os: [ubuntu-latest, windows-latest, macOS-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -132,7 +132,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
         os: [ubuntu-latest, windows-latest, macOS-latest]
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/wheels.yml

@@ -61,7 +61,7 @@ jobs:
       fail-fast: false  # to not fail all combinations if just one fail
       matrix:
         os: [ubuntu-latest, macOS-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v5
@@ -92,7 +92,7 @@ jobs:
       fail-fast: false  # to not fail all combinations if just one fail
       matrix:
         os: [windows-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v5

pyproject.toml

@@ -31,19 +31,19 @@ classifiers = [
     "Operating System :: POSIX",
     "Operating System :: Unix",
     "Operating System :: MacOS",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
-requires-python = ">=3.9,<3.14"
+requires-python = ">=3.9,<3.15"
 dependencies = [
     "numpy>=1.21.0,<2.4",
     "pandas>=1.1.0,<2.4.0",
     "packaging",
-    "scikit-base>=0.6.1,<0.13.0",
-    "scikit-learn>=0.24.0,<1.7.0",
+    "scikit-base>=0.6.1,<0.14.0",
+    "scikit-learn>=0.24.0,<1.8.0",
     "scipy<2.0.0,>=1.2.0",
 ]