AssertionError: (self.candidates[:, 0] >= 0).all()

[alejoe91]

Bumped into another error:

File "/opt/venv/lib/python3.13/site-packages/dartsort/clustering/clustering.py", line 779, in _demix
      res = mixture.tmm_demix(
          sorting=sorting,
      ...<9 lines>...
          skip_final_assign_and_return_mix_data=skip_final_assign_and_return_mix_data,
      )
    File "/opt/venv/lib/python3.13/site-packages/dartsort/clustering/mixture.py", line 183, in tmm_demix
      run_split(
      ~~~~~~~~~^
          tmm,
          ^^^^
      ...<3 lines>...
          single=step_type.startswith("single"),
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      )
      ^
    File "/opt/venv/lib/python3.13/site-packages/dartsort/clustering/mixture.py", line 4593, in run_split
      split_res = tmm.split(
          train_data,
      ...<6 lines>...
          _dry_run=_dry_run,
      )
    File "/opt/venv/lib/python3.13/site-packages/dartsort/clustering/mixture.py", line 3286, in split
      split_result = self._apply_splits(
          split_results,
      ...<2 lines>...
          _dry_run=_dry_run,
      )
    File "/opt/venv/lib/python3.13/site-packages/dartsort/clustering/mixture.py", line 3962, in _apply_splits
      lut = train_data.update_from_split(
          train_candidate_mask, train_labels_mask, train_labels, distances
      )
    File "/opt/venv/lib/python3.13/site-packages/dartsort/clustering/mixture.py", line 1964, in update_from_split
      return self.bootstrap_candidates(distances, allow_uncovered=True)
             ~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    File "/opt/venv/lib/python3.13/site-packages/dartsort/clustering/mixture.py", line 1389, in bootstrap_candidates
      self._fill_missing(n_units=distances.shape[0], allow_uncovered=allow_uncovered)
      ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    File "/opt/venv/lib/python3.13/site-packages/dartsort/clustering/mixture.py", line 1277, in _fill_missing
      assert (self.candidates[:, 0] >= 0).all()
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  AssertionError

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/tmp/nxf.dFfrQxWDCN/capsule/code/run_capsule.py", line 378, in <module>
      raise Exception(e)
  Exception