Error in making MasterObject

[SunilSimha]

I'm trying to combine 8 object frames into a single datacube. I'm running the version of kcwidrp that pip downloads automatically. When I run the pipeline with object_min_nframes = 8, the code fails at making a MasterObject. Specifically, this is at line 104 of MakeMasterObject.py. Here's the error message:

2025-03-10 15:05:26:DRPF:ERROR: Exception  while invoking MakeMasterObject
Traceback (most recent call last):
  File "/home/sunil/miniconda3/envs/kcwi/lib/python3.12/site-packages/keckdrpframework/core/framework.py", line 229, in execute
    action_output = pipeline.get_action(action_name)(action, context)
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/sunil/miniconda3/envs/kcwi/lib/python3.12/site-packages/keckdrpframework/pipelines/base_pipeline.py", line 84, in f
    return obj.apply()
           ^^^^^^^^^^^
  File "/home/sunil/miniconda3/envs/kcwi/lib/python3.12/site-packages/keckdrpframework/primitives/base_primitive.py", line 57, in apply
    self.output = self._perform()
                  ^^^^^^^^^^^^^^^
  File "/home/sunil/miniconda3/envs/kcwi/lib/python3.12/site-packages/kcwidrp/primitives/MakeMasterObject.py", line 104, in _perform
    mobj_name = get_master_name(combine_list, "mobj")
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/sunil/miniconda3/envs/kcwi/lib/python3.12/site-packages/kcwidrp/primitives/kcwi_file_primitives.py", line 1295, in get_master_name
    return res
           ^^^
  File "/home/sunil/miniconda3/envs/kcwi/lib/python3.12/bdb.py", line 100, in trace_dispatch
    return self.dispatch_line(frame)
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/sunil/miniconda3/envs/kcwi/lib/python3.12/bdb.py", line 125, in dispatch_line
    if self.quitting: raise BdbQuit
                      ^^^^^^^^^^^^^
bdb.BdbQuit
2025-03-10 15:05:26:DRPF:INFO: Event failed: name object_make_master, action MakeMasterObject, arg name KB.20220128.51334.fits, recurr False

The reason appears to be that get_master_name requires a table as an input. However, combined_list is a list (defined on line 65 of MakeMasterObject.py). Perhaps the correct argument to be passed here (and also line 113 of the same file) is self.combine_list, which is the proctable. Indeed, the pipeline proceeds smoothly after making this replacement.

Please fix. Thanks!

[maxwell-z-piper]

Hello,

Commenting to add that I was also having this same issue and your solution worked for me. Thanks for posting.