---------------------------------------------------------------------------

AttributeError                            Traceback (most recent call last)

/usr/local/lib/python3.7/dist-packages/IPython/core/formatters.py in __call__(self, obj, include, exclude)
    968                 d['include'] = include
    969                 d['exclude'] = exclude
--> 970                 return method(**d)
    971             return None
    972         else:

8 frames

/usr/local/lib/python3.7/dist-packages/sklearn/base.py in _repr_mimebundle_(self, **kwargs)
    607     def _repr_mimebundle_(self, **kwargs):
    608         """Mime bundle used by jupyter kernels to display estimator"""
--> 609         output = {"text/plain": repr(self)}
    610         if get_config()["display"] == "diagram":
    611             output["text/html"] = estimator_html_repr(self)

/usr/local/lib/python3.7/dist-packages/sklearn/base.py in __repr__(self, N_CHAR_MAX)
    272         )
    273 
--> 274         repr_ = pp.pformat(self)
    275 
    276         # Use bruteforce ellipsis when there are a lot of non-blank characters

/usr/lib/python3.7/pprint.py in pformat(self, object)
    142     def pformat(self, object):
    143         sio = _StringIO()
--> 144         self._format(object, sio, 0, 0, {}, 0)
    145         return sio.getvalue()
    146 

/usr/lib/python3.7/pprint.py in _format(self, object, stream, indent, allowance, context, level)
    159             self._readable = False
    160             return
--> 161         rep = self._repr(object, context, level)
    162         max_width = self._width - indent - allowance
    163         if len(rep) > max_width:

/usr/lib/python3.7/pprint.py in _repr(self, object, context, level)
    391     def _repr(self, object, context, level):
    392         repr, readable, recursive = self.format(object, context.copy(),
--> 393                                                 self._depth, level)
    394         if not readable:
    395             self._readable = False

/usr/local/lib/python3.7/dist-packages/sklearn/utils/_pprint.py in format(self, object, context, maxlevels, level)
    188     def format(self, object, context, maxlevels, level):
    189         return _safe_repr(
--> 190             object, context, maxlevels, level, changed_only=self._changed_only
    191         )
    192 

/usr/local/lib/python3.7/dist-packages/sklearn/utils/_pprint.py in _safe_repr(object, context, maxlevels, level, changed_only)
    438         recursive = False
    439         if changed_only:
--> 440             params = _changed_params(object)
    441         else:
    442             params = object.get_params(deep=False)

/usr/local/lib/python3.7/dist-packages/sklearn/utils/_pprint.py in _changed_params(estimator)
     91     estimator with non-default values."""
     92 
---> 93     params = estimator.get_params(deep=False)
     94     init_func = getattr(estimator.__init__, "deprecated_original", estimator.__init__)
     95     init_params = inspect.signature(init_func).parameters

/usr/local/lib/python3.7/dist-packages/sklearn/base.py in get_params(self, deep)
    203         out = dict()
    204         for key in self._get_param_names():
--> 205             value = getattr(self, key)
    206             if deep and hasattr(value, "get_params"):
    207                 deep_items = value.get_params().items()

AttributeError: 'TFA' object has no attribute 'max_iter'