8000 BUG: Prevent 3D-ndarray for nested tuple labels (#24687) by summonholmes · Pull Request #24732 · pandas-dev/pandas · GitHub
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BUG: Prevent 3D-ndarray for nested tuple labels (#24687) #24732

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BUG: Prevent 3D-ndarray for nested tuple labels (#24687) #24732

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da274d9
Prevent 3D-ndarray for nested tuple labels (#24687)
shanekimble Jan 11, 2019
cde96f8
Isolate the exact array shape when issue occurs
Jan 12, 2019
9360eb7
Prevent lists from triggering error
Jan 12, 2019
5143c18
Revert "Prevent lists from triggering error"
Jan 12, 2019
ef91ba2
edge case for ndarray only
Jan 12, 2019
cec3d57
Revert fork to original state
shanekimble Jan 14, 2019
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Revert fork to original state
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@shanekimble
shanekimble committed Jan 14, 2019
commit cec3d574f3f63b9a8539648df7f219c4f355e3c8
7 changes: 0 additions & 7 deletions pandas/core/indexes/base.py
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Expand Up @@ -5282,13 +5282,6 @@ def ensure_index(index_like, copy=False):
if len(converted) > 0 and all_arrays:
from .multi import MultiIndex
return MultiIndex.from_arrays(converted)
elif isinstance(converted, np.ndarray) and converted.shape == (1, 2,
2):
# When nested tuples are incorrectly converted
# to > 2 dimensions (Extremely rare)
index_like = np.ndarray((1, 2), dtype=tuple)
index_like[0][0] = tuple(converted[0][0])
index_like[0][1] = tuple(converted[0][1])
else:
index_like = converted
else:
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