Update wordcutpy.py

Author: wannaphong

pythainlp/tokenize/wordcutpy.py

@@ -2,26 +2,23 @@
 from __future__ import absolute_import,unicode_literals,print_function
 import sys
 import six
-if six.PY2:
-	print("Thai sentiment in pythainlp. Not support Python 2")
-	sys.exit(0)
 try:
     from wordcut import Wordcut
 except ImportError:
 	'''
     ในกรณีที่ยังไม่ติดตั้ง wordcutpy ในระบบ
     '''
 	from pythainlp.tools import install_package
-	install_package('wordcutpy')
+	install_package("wordcutpy")
 	try:
 		from wordcut import Wordcut
 	except ImportError:
-		sys.exit('Error ! using $ pip install wordcutpy')
+		raise Exception("ImportError ! using $ pip install wordcutpy")
 
 def segment(text, data=None):
     if not data:
         wordcut = Wordcut.bigthai()
     else:
         word_list = list(set(data))
         wordcut = Wordcut(word_list)
-    return wordcut.tokenize(text)
+    return wordcut.tokenize(text)