Downgraded scipy for Python 3.9 compatibility

Author: fjwillemsen

pyproject.toml

@@ -61,7 +61,7 @@ kernel_tuner = "kernel_tuner.interface:entry_point"
 [tool.poetry.dependencies]
 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 = ">=1.14.1"
+scipy = ">=1.11.0"         # held back by Python 3.9
 packaging = "*"                 # required by file_utils
 jsonschema = "*"
 python-constraint2 = "^2.1.0"
@@ -109,7 +109,7 @@ markupsafe = "^2.0.1"       # TODO why do we need markupsafe here?
 # sphinx-autodoc-typehints = "^1.24.0"
 
 # ATTENTION: if anything is changed here, run `poetry update`
-# Please also run `poetry export -f requirements.txt --output docs/requirements_test.txt --with test`
+# Please also run `poetry export -f requirements.txt --output doc/requirements_test.txt --with test`
 [tool.poetry.group.test]
 optional = true
 [tool.poetry.group.test.dependencies]