copy dict keys on python3

20ec4bba · Andreas Mueller · 52be5a9c · 20ec4bba
Commit 20ec4bba authored Nov 02, 2016 by Andreas Mueller
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wordcloud/tokenization.py wordcloud/tokenization.py +1 -1

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--- a/wordcloud/tokenization.py
+++ b/wordcloud/tokenization.py
@@ -62,7 +62,7 @@ def unigrams_and_bigrams(words, normalize_plurals=True):
            counts_unigrams[word1] -= counts_bigrams[bigram_string]
            counts_unigrams[word2] -= counts_bigrams[bigram_string]
            counts_unigrams[bigram_string] = counts_bigrams[bigram_string]
-    words = counts_unigrams.keys()
+    words = list(counts_unigrams.keys())
    for word in words:
        # remove empty / negative counts
        if counts_unigrams[word] <= 0: