fix: Update deprecated dependency package name from sklearn to scikit-learn (#426)

Author: kace

setup.py

@@ -77,7 +77,7 @@ def read_version():
         "sagemaker-training>=4.1.3",
         "numpy",
         "scipy",
-        "sklearn",
+        "scikit-learn",
         "pandas",
         "Pillow",
         "h5py",

tox.ini

@@ -71,7 +71,7 @@ deps =
     flake8
     flake8-future-import
     flake8-import-order
-commands = flake8
+commands = flake8 --append-config .flake8
 
 
 [testenv:twine]