Add TODO to spell

Author: wannaphong

pythainlp/spell/pn.py

@@ -165,7 +165,8 @@ def __init__(
                                  If no filter is required, use None.
         """
         if not custom_dict:  # default, use Thai National Corpus
-            custom_dict = tnc.word_freqs()
+            # TODO: #680 change the dict
+            custom_dict = [(i,j) for i,j in tnc.word_freqs()]
 
         if not dict_filter:
             dict_filter = _no_filter

pythainlp/spell/symspellpy.py

@@ -26,7 +26,6 @@
 from symspellpy import SymSpell, Verbosity
 from pythainlp.corpus import get_corpus_path
 from pythainlp.corpus import path_pythainlp_corpus
-from pythainlp.tokenize import word_tokenize
 
 _UNIGRAM = "tnc_freq.txt"
 _BIGRAM = "tnc_bigram_word_freqs"