Bug Fix: #60343 Construction of Series / Index fails from dict keys when "str" dtype is specified explicitly - PR 2 #60436
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The default behavior (pd.Index(d.keys())) worked correctly, but explicitly setting dtype="str" raised a ValueError. The issue stemmed from dict_keys not being converted to a proper array-like structure before being passed to StringDtype, which couldn't handle such inputs.
To fix the issue:
-Handles Existing Test Cases and fixes previous PR fix issues.
After the fix both the default (pd.Index(d.keys())) and explicit (pd.Index(d.keys(), dtype="str")) cases work: