Call LearnblockIdentifier constructor with density estimator and relative extrema finder.

cml/usecases/query.py

@@ -11,7 +11,9 @@ class PreprocessUsecase(Usecase):
     def process(self, request):
         preprocesser = Preprocessor(request.pre_settings)
         cleaned_data = preprocesser.clean(request.source_adapter)
-        learnblock_identifier = LearnblockIdentifier(request.block_settings)
+        learnblock_identifier = LearnblockIdentifier(request.block_settings,
+                                                     request.density_estimator,
+                                                     request.relative_extrema)
         data_source = DataSource(cleaned_data,
                                  learnblock_identifier,
                                  block_size=request.block_settings.block_size)