setup use find_packages

setup.py

-from setuptools import setup
+from setuptools import setup, find_packages
 
 setup(name='deep_sea_treasure',
       version='1.0.0',
       install_requires=['gym', 'opencv-python'],
-      packages=['deep_sea_treasure']
-)
\ No newline at end of file
+      packages=find_packages()
+)