Delete unused import in perceptron

wannaphong · wannaphong · commit d8a23ee4bc67 · 2021-11-09T00:46:04.000+07:00
diff --git a/pythainlp/tag/perceptron.py b/pythainlp/tag/perceptron.py
@@ -3,7 +3,6 @@
 Perceptron part-of-speech tagger
 """
 import os
-import pickle
 from typing import List, Tuple
 
 from pythainlp.corpus import corpus_path, get_corpus_path
