fix: Strip document-signature footer from Intelliflex v2.2 CSV#1193
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… parsing Real-world Intelliflex v2.2 exports include a --DOCUMENT SIGNATURE-- footer block that was missing from the test fixture. These footer rows have no WELL LOCATION, creating duplicate NaN index entries that cause pd.isna() to fail with "truth value of a Series is ambiguous." Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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### Fixed - Strip document-signature footer from Intelliflex v2.2 CSV (#1193)
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Summary
--DOCUMENT SIGNATURE--footer block (serial number, data signature hashes) that was missing from the test fixture added in feat: Add Intelliflex v2.2 flat CSV format support #1184WELL LOCATIONvalue, creating duplicate NaN index entries in the parsed DataFrames. WhenMeasurement.createlooks up a location,df.loc[location]returns a DataFrame instead of a Series, causingpd.isna()to crash with "truth value of a Series is ambiguous"--DOCUMENT SIGNATURE--before passing toread_csv, so pandas never sees them and dtype inference stays cleanTest plan
CO026755_P5_INTELLIFLEX (1).csvthat previously crashed🤖 Generated with Claude Code