Daiquiri fails with zseries

Traceback (most recent call last):
  File "/nobackup/lvalls1/valls/workspace/daiquiri-tomo.git/daiquiri.git/daiquiri/core/hardware/bliss/scans.py", line 72, in _scan_end
    cb(scanid, metadata=info)
  File "/nobackup/lvalls1/valls/workspace/daiquiri-tomo.git/daiquiri.git/daiquiri/core/components/tomo/scan_listener.py", line 108, in end_scan
    scan.on_scan_terminated(metadata)
  File "/nobackup/lvalls1/valls/workspace/daiquiri-tomo.git/daiquiri.git/daiquiri/core/components/tomo/scans/sequence_tomo_scan.py", line 200, in on_sca
n_terminated
    runstatus="Successful",
  File "/nobackup/lvalls1/valls/workspace/daiquiri-tomo.git/daiquiri.git/daiquiri/core/metadata/__init__.py", line 1019, in wrapper
    ret = fn(*args, **kwargs)
  File "/nobackup/lvalls1/valls/workspace/daiquiri-tomo.git/daiquiri.git/daiquiri/core/metadata/ispyalchemy/dc.py", line 282, in update_datacollection
    setattr(dc, kw, kwargs[kw])
AttributeError: 'NoneType' object has no attribute 'endtime'