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Clarifying comment in is_corpus func in utils.py #1109

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Jan 31, 2017
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Clarifying comment in is_corpus func in utils.py #1109

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2 changes: 1 addition & 1 deletion gensim/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -607,7 +607,7 @@ def is_corpus(obj):
doc1 = next(iter(obj)) # empty corpus is resolved to False here
if len(doc1) == 0: # sparse documents must have a __len__ function (list, tuple...)
return True, obj # the first document is empty=>assume this is a corpus
id1, val1 = next(iter(doc1)) # if obj is a numpy array, it resolves to False here
id1, val1 = next(iter(doc1)) # if obj is a 1D numpy array(scalars) instead of 2-tuples, it resolves to False here
id1, val1 = int(id1), float(val1) # must be a 2-tuple (integer, float)
except Exception:
return False, obj
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