fix. bump version of sagemaker-training for script entry point fix. (#374)

Author: ajaykarpur

setup.py

@@ -63,7 +63,7 @@ def read_version():
         'Programming Language :: Python :: 3.7',
     ],
 
-    install_requires=['sagemaker-training>=3.5.1', 'numpy', 'scipy', 'sklearn',
+    install_requires=['sagemaker-training>=3.5.2', 'numpy', 'scipy', 'sklearn',
                       'pandas', 'Pillow', 'h5py'],
     extras_require={
         'test': test_dependencies,