update

setup.py

@@ -26,7 +26,7 @@
     packages=find_packages(exclude=['test', 'images', 'docs', 'examples', 'hist']),
     include_package_data=True,
     install_requires=install_requires,
-    package_data={'': ['data/*.csv']},
+    package_data={'': ['utils/china_calendar.feather']},
     classifiers=[
         'License :: OSI Approved :: Apache Software License',
         'Programming Language :: Python :: 3.7',