**Describe the bug** I installed from PyPI. I could not use `pythainlp.corpus.provinces()`. It not found `thailand_provinces_th.csv`. **To Reproduce** Steps to reproduce the behavior: 1. from pythainlp.corpus import provinces 2. th_provinces = provinces() **Source Code** ``` from pythainlp.corpus import provinces th_provinces = provinces() ``` **Desktop (please complete the following information):** - OS: Linux - Python Version 3.6 - Version 2.2.4