Regression

tests.test_model.TestCorpus.test_map_metadata (from pytest)

Error Message

AttributeError: type object 'Corpus' has no attribute 'copy'

Stacktrace

self = <test_model.TestCorpus object at 0x7fbb40284f60>
corpus = <cophi.model.Corpus object at 0x7fbb40284828>

    def test_map_metadata(self, corpus):
        metadata = pd.DataFrame({"uuid": "document", "A": "metadata"}, index=[1])
>       matrix = corpus.map_metadata(corpus.dtm, metadata, fields=["A"])

tests/test_model.py:186: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

data = <class 'cophi.model.Corpus'>
metadata =           a  b  c  d  e  f
document  3  2  3  1  1  1
uuid =           A      uuid
1  metadata  document, fields = ['A'], sep = '_'

    @classmethod
    def map_metadata(data, metadata, uuid="uuid", fields=["title"], sep="_"):
        """Map metadata with a UUID.
    
        Parameters:
            data: Data (e.g. a pandas DataFrame) to map with.
            metadata: Matrix with metadata, one row corresponds
                to one document.
            uuid (str): The connecting UUID between `data`
                and `metadata` (optional).
            fields (list): One or more columns of `metadata` (optional).
            sep (str): Glue multiple `fields` with this
                separator together (optional).
        """
>       data = data.copy()  # do not work on original object itself
E       AttributeError: type object 'Corpus' has no attribute 'copy'

src/cophi/model.py:382: AttributeError