Marcin Nowak

Add detailed error message if RNTupleWriter::Write() fails

7

# This Pull request: ## Changes or fixes: Replaced somewhat cryptic 'assert failed' message with the actual I/O error message explaining what went wrong in RNTupleWriter::RFileSimple::Write() ## Checklist: - [X]...

Yes another example of default template argument causing problems

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### Check duplicate issues. - [x] Checked for duplicates ### Description Calling RNTupleReader::GetView() for a column containing a type with a default template argument but using a full type name...

Can not access REntry fields with DataVector in python

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### Check duplicate issues. - [x] Checked for duplicates ### Description An error is reported when trying to access REntry fields of type related to DataVector (a class with a...