update min py ver

.github/workflows/ci.yml

@@ -160,10 +160,10 @@ jobs:
   #   steps:
   #   - uses: actions/checkout@v4
 
-  #   - name: Set up Python 3.7
+  #   - name: Set up Python 3.9
   #     uses: actions/setup-python@v5
   #     with:
-  #       python-version: 3.7
+  #       python-version: 3.9
 
     # - name: Test building docs
       # continue-on-error: true

.readthedocs.yaml

@@ -9,7 +9,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.12"
+    python: "3.9"
     # You can also specify other tool versions:
     # nodejs: "19"
     # rust: "1.64"

setup.py

@@ -9,15 +9,13 @@ def unique_flatten_dict(d):
 core_requires = [
   'numpy',
   'pandas',
-  'scipy',
   'setuptools',
   'typing-extensions',
   'pyarrow>=0.15.0',
   'scikit-learn<=1.3.2',
-  'flake8>=5.0',
   'psutil',
-  'build',
   'dirty-cat',  # only for pytest speed comparison
+  'scipy',
 #   'cuml', ## cannot test on github actions
 #   'cudf',
 #   'cupy'
@@ -39,8 +37,8 @@ def unique_flatten_dict(d):
 
   **dev_extras,
 
-  #kitchen sink for contributors, skips ai
-  'dev': unique_flatten_dict(dev_extras),
+    #kitchen sink for contributors, skips ai
+    'dev': unique_flatten_dict(dev_extras),
 
 }
 # if __name__ == "__main__":
@@ -64,4 +62,3 @@ def unique_flatten_dict(d):
     # dependency_links=['https://pypi.nvidia.com'],
     keywords=['cudf', 'cuml', 'GPU', 'Rapids']
 )
-