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BUG: Incorrect error message due to zero based levels. #2226 #2231

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Merged
merged 1 commit into from Nov 12, 2012
Merged

BUG: Incorrect error message due to zero based levels. #2226 #2231

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3 changes: 2 additions & 1 deletion pandas/core/index.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1364,9 +1364,10 @@ def _get_level_number(self, level):
raise Exception('Level %s not found' % str(level))
elif level < 0:
level += self.nlevels
# Note: levels are zero-based
elif level >= self.nlevels:
raise ValueError('Index has only %d levels, not %d'
% (self.nlevels, level))
% (self.nlevels, level + 1))
return level

_tuples = None
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