Fix python 3 compatibility for gensim.corpora.UciCorpus.save_corpus (…

…#1875)
piskvorky · Feb 5, 2018 · 17c47ee · 17c47ee
1 parent 1b1f90c
commit 17c47ee
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/gensim/corpora/ucicorpus.py b/gensim/corpora/ucicorpus.py
@@ -207,7 +207,7 @@ def save_corpus(fname, corpus, id2word=None, progress_cnt=10000, metadata=False)
             id2word = utils.dict_from_corpus(corpus)
             num_terms = len(id2word)
         else:
-            num_terms = 1 + max([-1] + id2word.keys())
+            num_terms = 1 + max([-1] + list(id2word))
 
         # write out vocabulary
         fname_vocab = utils.smart_extension(fname, '.vocab')