routes lpm fails with "Error running command: 'hostname'

[jopietsch]

jpiet> routes lpm address='10.0.0.1'
Error running command: 'hostname'

Traceback (most recent call last):
File "/home/jpiet/.local/share/virtualenvs/suzieq-zI29E9ll/lib/python3.7/site-packages/nubia/internal/cmdbase.py", line 374, in run_interactive
ret = fn(**args_dict)
File "/tmp/pycharm_project_1000/suzieq/suzieq/cli/sqcmds/RoutesCmd.py", line 127, in lpm
datacenter=self.datacenter,
File "/home/jpiet/suzieq/suzieq/sqobjects/routes.py", line 31, in lpm
return self.engine_obj.lpm(**kwargs)
File "/home/jpiet/suzieq/suzieq/engines/pandas/routes.py", line 81, in lpm
df = self.get_valid_df(self.iobj._table, sort_fields, **kwargs)
File "/home/jpiet/suzieq/suzieq/engines/pandas/engineobj.py", line 126, in get_valid_df
**kwargs
File "/home/jpiet/suzieq/suzieq/engines/pandas/engine.py", line 185, in get_table_df
return final_df[fields].sort_values(by=sort_fields)
File "/home/jpiet/.local/share/virtualenvs/suzieq-zI29E9ll/lib/python3.7/site-packages/pandas/core/frame.py", line 5001, in sort_values
keys = [self._get_label_or_level_values(x, axis=axis) for x in by]
File "/home/jpiet/.local/share/virtualenvs/suzieq-zI29E9ll/lib/python3.7/site-packages/pandas/core/frame.py", line 5001, in
keys = [self._get_label_or_level_values(x, axis=axis) for x in by]
File "/home/jpiet/.local/share/virtualenvs/suzieq-zI29E9ll/lib/python3.7/site-packages/pandas/core/generic.py", line 1774, in _get_label_or_level_values
raise KeyError(key)
KeyError: 'hostname'

jpiet>