records: display tabs

(closes #1646)

Signed-off-by: Eirini Psallida <eirini.psallida@cern.ch>
51: D103 Docstring missing
65:17: E128 continuation line under-indented for visual indent
66:17: E128 continuation line under-indented for visual indent
67:17: E128 continuation line under-indented for visual indent
68:17: E128 continuation line under-indented for visual indent
69:17: E128 continuation line under-indented for visual indent
70:17: E128 continuation line under-indented for visual indent
71:17: E128 continuation line under-indented for visual indent
72:17: E128 continuation line under-indented for visual indent
73: D103 Docstring missing