fix(python): Error on invalid schema input in DataFrame constructor
#14483
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stinodego
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stinodego
changed the title
schema input in DataFrame constructor
stinodego
requested review from
ritchie46,
c-peters,
alexander-beedie and
MarcoGorelli
as code owners
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Closes #12178
Supersedes #12209
I did some refactoring of the
_unpack_schemautility. This also closes the linked issue.Changes
schemainput cannot be unpacked into two variables (column, dtype).listand other sequences are now also allowed, but MyPy will still complain).