Thai2Fit: Word2Vec error with Gensim 4.0

[wannaphong]

Description

from https://github.com/PyThaiNLP/pythainlp/runs/2237147773?check_suite_focus=true, Gensim upgrade to 4.0. The index2word attribute has been replaced by index_to_key since Gensim 4.0.0.

Expected results

pass

Current results

fail

Steps to reproduce

1. install pythainlp 2.3.0 and gensim 4.0.
2. run unittest

Your environment

• PyThaiNLP version: 2.3.0
• Python version: 3.7
• Operating system and version (distro, 32/64-bit): Ubuntu 20.04 64-bit
• More info (Docker, VM, etc.):

Possible solution

Upgrade api to Gensim 4.0 or used try except for Gensim