diff --git a/actes-princiers/conf/base/catalog.yml b/actes-princiers/conf/base/catalog.yml
index 4825ff3..50dccd0 100644
--- a/actes-princiers/conf/base/catalog.yml
+++ b/actes-princiers/conf/base/catalog.yml
@@ -4,7 +4,6 @@ bourbon:
   type: actesdataset.XMLDataSetCollection
   housename: bourbon
   folderpath: data/01_raw/houses/bourbon
-  outputfolderpath: data/02_intermediate/houses/bourbon/xml 
 
 bourbon_xmlcontent:
   type: actesdataset.XMLDataSetCollection
diff --git a/actes-princiers/src/actes_princiers/pipelines/xml_processing/nodes.py b/actes-princiers/src/actes_princiers/pipelines/xml_processing/nodes.py
index 5904028..be5901b 100755
--- a/actes-princiers/src/actes_princiers/pipelines/xml_processing/nodes.py
+++ b/actes-princiers/src/actes_princiers/pipelines/xml_processing/nodes.py
@@ -2,16 +2,21 @@ import logging
 from pathlib import Path
 from typing import Dict
 
+from kedro.framework.session import KedroSession
+
 from actesdataset import EtreeXMLDataSet, XMLDataSetCollection
 
 logger = logging.getLogger(__name__)
 
+with KedroSession.create() as session:
+    context = session.load_context()
+    catalog = context.get_catalog()
+#    bourbon = catalog['bourbon_xmlcontent']
+#    logger.info("+++++++++++++++++++" + bourbon['folderpath'])    
+    outputfolderpath = catalog['bourbon_xmlcontent']['folderpath']
 
-def parse_xml_collection(datasetcollection: XMLDataSetCollection) -> Dict[str, EtreeXMLDataSet]:
+def parse_xml_collection(datasets: Dict[str, EtreeXMLDataSet]) -> Dict[str, EtreeXMLDataSet]:
     "node function entry point, performs batch processing"
-    # collection mapping
-    datasets = datasetcollection.datasets
-    outputfolderpath = datasetcollection.outputfolderpath
     output_datasets = dict()
     for dataset_filenamestem, dataset in datasets.items():
         # a manual load is required here, because
diff --git a/actes-princiers/src/actes_princiers/pipelines/xml_processing/pipeline.py b/actes-princiers/src/actes_princiers/pipelines/xml_processing/pipeline.py
index 614daf3..706c58b 100755
--- a/actes-princiers/src/actes_princiers/pipelines/xml_processing/pipeline.py
+++ b/actes-princiers/src/actes_princiers/pipelines/xml_processing/pipeline.py
@@ -1,19 +1,8 @@
-import logging
 
 from kedro.pipeline import Pipeline, node, pipeline
 
 from .nodes import parse_xml_collection
 
-from kedro.framework.session import KedroSession
-
-logger = logging.getLogger(__name__)
-
-with KedroSession.create() as session:
-    context = session.load_context()
-    catalog = context.get_catalog()
-    bourbon = catalog['bourbon_xmlcontent']
-    logger.info("+++++++++++++++++++" + bourbon['folderpath'])    
-
 
 def create_pipeline(**kwargs) -> Pipeline:
     return pipeline(
diff --git a/actes-princiers/src/actesdataset.py b/actes-princiers/src/actesdataset.py
index da6a7d9..7680eec 100644
--- a/actes-princiers/src/actesdataset.py
+++ b/actes-princiers/src/actesdataset.py
@@ -1,6 +1,6 @@
 import logging
 import json
-from typing import Dict, Any, Optional
+from typing import Dict, Any
 from pathlib import Path
 
 from lxml import etree
@@ -121,12 +121,9 @@ class XMLDataSetCollection(AbstractDataSet):
     """
     def __init__(self, 
         housename: str,
-        folderpath: str,
-        outputfolderpath: Optional[str]=None) -> None:
+        folderpath: str) -> None:
         self._housename = housename
         self._folderpath = Path(folderpath)
-        if outputfolderpath is not None:
-            self.outputfolderpath = Path(outputfolderpath)
             
     def _load(self) -> dict[str, EtreeXMLDataSet]:
         "kedro's API loader method"
@@ -134,9 +131,7 @@ class XMLDataSetCollection(AbstractDataSet):
         for filepath in sorted(self._folderpath.glob("*.xml")):
             self.datasets[filepath.stem] = EtreeXMLDataSet(
                 filepath=str(filepath))
-        # return self.datasets
-        # we need the object itself during transformation
-        return self
+        return self.datasets
 
     def _save(self, data) -> None:
         """kedro's API saver method