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REGR: appending to existing excel file created corrupt files #39605

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Merged
merged 4 commits into from
Feb 7, 2021
Merged

REGR: appending to existing excel file created corrupt files #39605

merged 4 commits into from
Feb 7, 2021

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twoertwein
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@twoertwein twoertwein commented Feb 5, 2021

Tentatively ready: I added a working test but I don't have MS Excel to make sure it is happy now. Waiting for someone to test it #39576 (comment)

@twoertwein twoertwein added the IO Excel read_excel, to_excel label Feb 5, 2021
@jreback jreback added this to the 1.2.2 milestone Feb 5, 2021
@twoertwein twoertwein marked this pull request as ready for review February 5, 2021 15:36
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jreback commented Feb 7, 2021

cc @simonjayhawkins ok to merge on green

@jreback jreback merged commit 098b970 into pandas-dev:master Feb 7, 2021
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jreback commented Feb 7, 2021

thanks @twoertwein

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jreback commented Feb 7, 2021

@meeseeksdev backport 1.2.x

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jreback commented Feb 7, 2021

cc @twoertwein or @simonjayhawkins for backport

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BUG: ExcelWriter with mode='a' corrupts file
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