Traceback (most recent call last):
  File "/home/qiime2/miniconda/envs/qiime2-2020.11/lib/python3.6/site-packages/q2cli/commands.py", line 329, in __call__
    results = action(**arguments)
  File "<decorator-gen-121>", line 2, in multinomial
  File "/home/qiime2/miniconda/envs/qiime2-2020.11/lib/python3.6/site-packages/qiime2/sdk/action.py", line 245, in bound_callable
    output_types, provenance)
  File "/home/qiime2/miniconda/envs/qiime2-2020.11/lib/python3.6/site-packages/qiime2/sdk/action.py", line 390, in _callable_executor_
    output_views = self._callable(**view_args)
  File "/home/qiime2/miniconda/envs/qiime2-2020.11/lib/python3.6/site-packages/songbird/q2/_method.py", line 47, in multinomial
    dense_table = table.to_dataframe().to_dense().T
  File "/home/qiime2/miniconda/envs/qiime2-2020.11/lib/python3.6/site-packages/pandas/core/generic.py", line 5141, in __getattr__
    return object.__getattribute__(self, name)
AttributeError: 'DataFrame' object has no attribute 'to_dense'