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Isolate the exact array shape when issue occurs
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summonholmes authored and summonholmes committed Jan 12, 2019
1 parent da274d9 commit cde96f8
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion pandas/core/indexes/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5282,7 +5282,7 @@ def ensure_index(index_like, copy=False):
if len(converted) > 0 and all_arrays:
from .multi import MultiIndex
return MultiIndex.from_arrays(converted)
elif converted.size > 2:
elif converted.shape == (1, 2, 2):
# When nested tuples are incorrectly converted
# to > 2 dimensions (Extremely rare)
index_like = np.ndarray((1, 2), dtype=tuple)
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1 comment on commit cde96f8

@summonholmes
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I noticed that the tests were failing due to indexing errors. Therefore, I made this catch more specific to the specific edge case. There may be more to do, especially if nested tuples become far too nested.

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