wa() in a session without motors raises error
Traceback (most recent call last):
File "/home/blissadm/local/repos_denolf/bliss/bliss/shell/standard/_devices.py", line 250, in wa
_bliss_tabulate.tabulate(
File "/home/blissadm/local/repos_denolf/bliss/bliss/shell/formatters/tabulate.py", line 251, in tabulate
return table.format(tabular_data)
File "/home/blissadm/local/repos_denolf/bliss/bliss/shell/formatters/tabulate.py", line 173, in format
table: list[list[Cell]] = self._normalize_data(tabular_data)
File "/home/blissadm/local/repos_denolf/bliss/bliss/shell/formatters/tabulate.py", line 95, in _normalize_data
nb_col = max([len(c) for c in tabular_data])
ValueError: max() arg is an empty sequence