Dropped Python 3.9 support for incompatibility with newer scipy versions

Author: fjwillemsen

CHANGELOG.md

@@ -7,7 +7,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - Additional improvements to search space construction
 - changed HIP python bindings from pyhip-interface to the official hip-python
 - Added Python 3.13 and experimental 3.14 support
-- Dropped Python 3.8 support
+- Dropped Python 3.8 and 3.9 support (due to incompatibility with newer scipy versions)
 
 ## [1.0.0] - 2024-04-04
 - HIP backend to support tuning HIP kernels on AMD GPUs

INSTALL.rst

@@ -20,7 +20,7 @@ Linux users could type the following to download and install Python 3 using Mini
     wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh
     bash Miniconda3-latest-Linux-x86_64.sh
 
-You are of course also free to use your own Python installation, and the Kernel Tuner is developed to be fully compatible with Python 3.9 and newer.
+You are of course also free to use your own Python installation, and the Kernel Tuner is developed to be fully compatible with Python 3.10 and newer.
 
 Installing Python Packages
 --------------------------

noxfile.py

@@ -15,7 +15,7 @@
 
 # set the test parameters
 verbose = False
-python_versions_to_test = ["3.9", "3.10", "3.11", "3.12", "3.13"] # 3.14 has not yet been officially released so is not tested against, but is allowed by the pyproject.toml
+python_versions_to_test = ["3.10", "3.11", "3.12", "3.13"] # 3.14 has not yet been officially released so is not tested against, but is allowed by the pyproject.toml
 nox.options.stop_on_first_error = True
 nox.options.error_on_missing_interpreters = True
 nox.options.default_venv_backend = 'virtualenv'

pyproject.toml

@@ -59,9 +59,9 @@ kernel_tuner = "kernel_tuner.interface:entry_point"
 
 # ATTENTION: if anything is changed here, run `poetry update`
 [tool.poetry.dependencies]
-python = ">=3.9,<3.15"          # NOTE when changing the supported Python versions, also change the test versions in the noxfile
+python = ">=3.10,<3.15"          # NOTE when changing the supported Python versions, also change the test versions in the noxfile
 numpy = "^1.26.0"              # Python 3.12 requires numpy at least 1.26
-scipy = ">=1.11.0"
+scipy = ">=1.14.1"
 packaging = "*"                 # required by file_utils
 jsonschema = "*"
 python-constraint2 = "^2.1.0"