Error message with invalid `gaussian_filter1d` `init_args`

[gipert]

This config:

outputs:
  - wf_current

processors:
  wf_gaus:
    description: Gaussian-filtered raw waveform
    function: gaussian_filter1d
    module: dspeed.processors
    args:
      - waveform_bit_drop
      - wf_gaus(
          len(waveform_bit_drop),
          period=waveform_bit_drop.period,
          offset=waveform_bit_drop.offset
        )
    init_args:
      - db.gauss.width
      - "10"
    defaults:
      db.gauss.width: 2
    unit: ADC

  wf_current:
    description: First derivative of gaussian-filtered waveform
    function: avg_current
    module: dspeed.processors
    args:
      - wf_gaus
      - db.current.width
      - wf_current(
          len(wf_gaus) - db.current.width,
          period=wf_gaus.period,
          offset=wf_gaus.offset + db.current.width // 2 * wf_gaus.period
        )
    defaults:
      db.current.width: 2
    unit: ADC/sample

causes this:

2025-02-24 23:52:47,675 - dspeed - DEBUG - build_processing_chain -  2225 - prereqs for wf_gaus are ['waveform_bit_drop']
2025-02-24 23:52:47,675 - dspeed - DEBUG - build_processing_chain -  2197 - Database lookup: using default value of 2 for db.current.width
2025-02-24 23:52:47,675 - dspeed - DEBUG - build_processing_chain -  2197 - Database lookup: using default value of 2 for db.current.width
2025-02-24 23:52:47,675 - dspeed - DEBUG - build_processing_chain -  2197 - Database lookup: using default value of 2 for db.current.width
2025-02-24 23:52:47,675 - dspeed - DEBUG - build_processing_chain -  2225 - prereqs for curr are ['wf_gaus']
2025-02-24 23:52:47,675 - dspeed - DEBUG - build_processing_chain -  2281 - processing parameters: ['wf_gaus', 'curr']
2025-02-24 23:52:47,675 - dspeed - DEBUG - build_processing_chain -  2282 - required input parameters: ['waveform_bit_drop']
2025-02-24 23:52:47,675 - dspeed - DEBUG - build_processing_chain -  2283 - copied output parameters: []
2025-02-24 23:52:47,675 - dspeed - DEBUG - build_processing_chain -  2284 - processed output parameters: ['curr']
2025-02-24 23:52:47,676 - dspeed - DEBUG - __init__ -  203 - added variable: waveform_bit_drop(shape: auto, dtype: auto, grid: auto, unit: auto, is_coord: auto)
2025-02-24 23:52:47,676 - dspeed - DEBUG - __init__ -  203 - added variable: waveform_bit_drop_dt(shape: (), dtype: float32, grid: None, unit: ns, is_coord: True)
2025-02-24 23:52:47,676 - dspeed - DEBUG - update_auto -  363 - updated variable: waveform_bit_drop(shape: (1024,), dtype: uint16, grid: (16.0 nanosecond,waveform_bit_drop_dt), unit: None, is_coord: False)
2025-02-24 23:52:47,678 - dspeed - DEBUG - link_input_buffer -  588 - added input buffer: waveform_bit_drop linked to lgdo.WaveformTable(values(shape=(1000, 1024), dtype=uint16, attrs={'datatype': 'array_of_equalsized_arrays<1,1>{real}'}), dt(shape=(1000,), dtype=float32, attrs={'datatype': 'array<1>{real}', 'units': 'ns'}), t0(shape=(1000,), dtype=float32, attrs={'datatype': 'array<1>{real}', 'units': 'ns'}))
2025-02-24 23:52:47,678 - dspeed - DEBUG - __init__ -  203 - added variable: wf_gaus(shape: auto, dtype: auto, grid: auto, unit: ADC, is_coord: auto)
2025-02-24 23:52:47,678 - dspeed - DEBUG - build_processing_chain -  2376 - database lookup: using default value of {db_node} for {db_var}
2025-02-24 23:52:47,678 - dspeed - DEBUG - build_processing_chain -  2402 - building function from init_args: gaussian_filter1d(2, 10)
2025-02-24 23:52:47,706 - dspeed - DEBUG - update_auto -  363 - updated variable: wf_gaus(shape: (1024,), dtype: auto, grid: (16.0 nanosecond,waveform_bit_drop_dt), unit: ADC, is_coord: auto)
2025-02-24 23:52:47,706 - dspeed - DEBUG - update_auto -  363 - updated variable: wf_gaus(shape: (1024,), dtype: float32, grid: (16.0 nanosecond,waveform_bit_drop_dt), unit: ADC, is_coord: False)
2025-02-24 23:52:47,707 - dspeed - DEBUG - add_processor -  701 - added processor: gaussian_filter1d_out(waveform_bit_drop, wf_gaus)
2025-02-24 23:52:47,707 - dspeed - DEBUG - __init__ -  203 - added variable: curr(shape: auto, dtype: auto, grid: auto, unit: ADC/sample, is_coord: auto)
2025-02-24 23:52:47,707 - dspeed - DEBUG - __init__ -  203 - added variable: (waveform_bit_drop_dt+16.0 nanosecond)(shape: auto, dtype: auto, grid: auto, unit: ns, is_coord: True)
2025-02-24 23:52:47,708 - dspeed - DEBUG - update_auto -  363 - updated variable: (waveform_bit_drop_dt+16.0 nanosecond)(shape: (), dtype: float32, grid: (1 nanosecond,0 nanosecond), unit: ns, is_coord: True)
2025-02-24 23:52:47,708 - dspeed - DEBUG - _parse_expr -  870 - added processor: add(waveform_bit_drop_dt, 16.0 nanosecond, (waveform_bit_drop_dt+16.0 nanosecond))
2025-02-24 23:52:47,709 - dspeed - DEBUG - update_auto -  363 - updated variable: curr(shape: (1022,), dtype: auto, grid: (16.0 nanosecond,(waveform_bit_drop_dt+16.0 nanosecond)), unit: ADC/sample, is_coord: auto)
2025-02-24 23:52:47,709 - dspeed - DEBUG - update_auto -  363 - updated variable: curr(shape: (1022,), dtype: float32, grid: (16.0 nanosecond,(waveform_bit_drop_dt+16.0 nanosecond)), unit: ADC/sample, is_coord: False)
2025-02-24 23:52:47,709 - dspeed - DEBUG - add_processor -  701 - added processor: avg_current(wf_gaus, 2, curr)
2025-02-24 23:52:47,711 - dspeed - DEBUG - link_output_buffer -  668 - added output buffer: curr linked to lgdo.WaveformTable(values(shape=(1000, 1022), dtype=float32, attrs={'datatype': 'array_of_equalsized_arrays<1,1>{real}'}), dt(shape=(1000,), dtype=float32, attrs={'datatype': 'array<1>{real}', 'units': 'ns'}), t0(shape=(1000,), dtype=float32, attrs={'datatype': 'array<1>{real}', 'units': 'ns'}))
Traceback (most recent call last):
  File "/data1/shared/l200-p13/prodenv/prod-orig/dev-v0.0.2/.snakemake/legend-dataflow/venv/bin/par-spms-dsp-trg-thr", line 10, in <module>
    sys.exit(par_spms_dsp_trg_thr())
             ^^^^^^^^^^^^^^^^^^^^^^
  File "/data1/shared/l200-p13/prodenv/prod-orig/dev-v0.0.2/workflow/src/legenddataflow/scripts/par/spms/dsp/trigger_threshold.py", line 63, in par_spms_dsp_trg_thr
    chain.execute()
  File "/data1/shared/l200-p13/prodenv/prod-orig/dev-v0.0.2/.snakemake/legend-dataflow/venv/lib/python3.12/site-packages/dspeed/processing_chain.py", line 708, in execute
    self._execute_procs(i, min(i + self._block_width, self._buffer_len))
  File "/data1/shared/l200-p13/prodenv/prod-orig/dev-v0.0.2/.snakemake/legend-dataflow/venv/lib/python3.12/site-packages/dspeed/processing_chain.py", line 1120, in _execute_procs
    proc_man.execute()
  File "/data1/shared/l200-p13/prodenv/prod-orig/dev-v0.0.2/.snakemake/legend-dataflow/venv/lib/python3.12/site-packages/dspeed/processing_chain.py", line 1571, in execute
    self.processor(*self.args, **self.kwargs)
  File "/data1/shared/l200-p13/prodenv/prod-orig/dev-v0.0.2/.snakemake/legend-dataflow/venv/lib/python3.12/site-packages/numba/np/ufunc/gufunc.py", line 261, in __call__
    return self.ufunc(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
IndexError: list index out of range

This is because

    init_args:
      - db.gauss.width
      - "10"

is an invalid initialization for the gaussian kernel, but dspeed should try to print a more informative error message?