Traceback (most recent call last):
  File "C:\Program Files\Anaconda3\lib\site-packages\django\core\handlers\exception.py", line 35, in inner
    response = get_response(request)
  File "C:\Program Files\Anaconda3\lib\site-packages\django\core\handlers\base.py", line 128, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "C:\Program Files\Anaconda3\lib\site-packages\django\core\handlers\base.py", line 126, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "C:\Users\tantsevov_grigory\workspace\DataProcessing\predictions-server\project\PredictServer\generator\views.py", line 223, in update_predict
    init_predictions(dates_workers, login, worker[0].project_id)
  File "C:\Users\tantsevov_grigory\workspace\DataProcessing\predictions-server\project\PredictServer\generator\views.py", line 124, in init_predictions
    assign_predictions_as_labels=True, clf=clf)
  File "C:\Users\tantsevov_grigory\workspace\DataProcessing\predictions-server\project\PredictServer\generator\analyse_data_v1\demo_active_learning_for_annotation_software.py", line 61, in update_recommendations_for_assessor
    max_background_samples=MAX_BACKGROUND_SAMPLES, true_labels=true_labels)
  File "C:\Users\tantsevov_grigory\workspace\DataProcessing\predictions-server\project\PredictServer\generator\analyse_data_v1\active_learning\active_learning_for_annotation_software\dataset_for_labeling.py", line 41, in __init__
    **kwargs)
  File "C:\Users\tantsevov_grigory\workspace\DataProcessing\predictions-server\project\PredictServer\generator\analyse_data_v1\active_learning\query_strategies.py", line 27, in __init__
    name="LeastConfident"+name, **kwargs)
  File "C:\Users\tantsevov_grigory\workspace\DataProcessing\predictions-server\project\PredictServer\generator\analyse_data_v1\active_learning\base_learner.py", line 28, in __init__
    DatasetForLabeling.__init__(self, data, model, target_name=target_name, **kwargs)
  File "C:\Users\tantsevov_grigory\workspace\DataProcessing\predictions-server\project\PredictServer\generator\analyse_data_v1\active_learning\sample_cls.py", line 34, in __init__
    self.class_info = self.data[self.target_name].value_counts()
  File "C:\Program Files\Anaconda3\lib\site-packages\pandas\core\frame.py", line 2137, in __getitem__
    return self._getitem_multilevel(key)
  File "C:\Program Files\Anaconda3\lib\site-packages\pandas\core\frame.py", line 2181, in _getitem_multilevel
    loc = self.columns.get_loc(key)
  File "C:\Program Files\Anaconda3\lib\site-packages\pandas\core\indexes\multi.py", line 2072, in get_loc
    loc = self._get_level_indexer(key, level=0)
  File "C:\Program Files\Anaconda3\lib\site-packages\pandas\core\indexes\multi.py", line 2362, in _get_level_indexer
    loc = level_index.get_loc(key)
  File "C:\Program Files\Anaconda3\lib\site-packages\pandas\core\indexes\base.py", line 2527, in get_loc
    return self._engine.get_loc(self._maybe_cast_indexer(key))
  File "pandas\_libs\index.pyx", line 117, in pandas._libs.index.IndexEngine.get_loc
  File "pandas\_libs\index.pyx", line 139, in pandas._libs.index.IndexEngine.get_loc
  File "pandas\_libs\hashtable_class_helper.pxi", line 1265, in pandas._libs.hashtable.PyObjectHashTable.get_item
  File "pandas\_libs\hashtable_class_helper.pxi", line 1273, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 'class_micro'