Fix entry_points typo

setup.py

@@ -39,7 +39,7 @@ setup(
     tests_require=['pytest', 'pylint'],
     python_requires='>=3.6',
     package_data={'combo': ['config.template.json']},
-    entrypoints={'console_scripts': ['combo = combo.main:main']},
+    entry_points={'console_scripts': ['combo=combo.main:main']},
     classifiers=[
             'Development Status :: 4 - Beta',
             'Intended Audience :: Science/Research',