df with dupe cols should raise KeyError on accessing non-existent col via list #2218

ghost · 2012-11-11T12:18:35Z

from pandas import DataFrame
df=DataFrame([[1,2,3],[4,5,6]],columns=['a','a','b'])
try:
    df[['baf']]
except KeyError:
    pass
else:
    self.fail("Dataframe failed to raise KeyError")

* y-p/fix1: ENH: warn user when invoking to_dict() on df with non-unique columns BUG: modify df.iteritems to support duplicate column labels #2219 TST: df.iteritems() should yield Series even with non-unique column labels BUG: df with dupe cols should raise KeyError on accessing non-existent col via list #2218 TST: df with dupe cols should raise KeyError on accessing non-existent col via list

wesm closed this as completed Nov 13, 2012

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df with dupe cols should raise KeyError on accessing non-existent col via list #2218

df with dupe cols should raise KeyError on accessing non-existent col via list #2218

ghost commented Nov 11, 2012

df with dupe cols should raise KeyError on accessing non-existent col via list #2218

df with dupe cols should raise KeyError on accessing non-existent col via list #2218

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ghost commented Nov 11, 2012