diff --git a/WIP/boutiques/bidspm.json b/WIP/boutiques/bidspm.json
deleted file mode 100644
index 4768d4b9d..000000000
--- a/WIP/boutiques/bidspm.json
+++ /dev/null
@@ -1,103 +0,0 @@
-{
-  "name": "bidspm",
-  "command-line": "bidspm [InputDataset] [OutputLocation] [AnalysisLevel] [ParticipantLabel] [Action]",
-  "container-image": {
-    "image": "bids/example",
-    "type": "docker"
-  },
-  "description": "See https://github.com/cpp-lln-lab/bidspm.git",
-  "inputs": [
-    {
-      "description": "The directory with the input dataset formatted according to the BIDS standard.",
-      "id": "InputDataset",
-      "name": "Input datasets",
-      "value-key": "[InputDataset]",
-      "type": "File",
-      "list": false,
-      "optional": false,
-      "command-line-flag": "--input-datasets"
-    },
-    {
-      "description": "The directory where the output files should be stored. If you are running a group level analysis, this folder should be prepopulated with the results of the participant level analysis.",
-      "id": "OutputLocation",
-      "name": "Output location",
-      "value-key": "[OutputLocation]",
-      "type": "File",
-      "list": false,
-      "optional": false,
-      "command-line-flag": "--output-location"
-    },
-    {
-      "description": "Level of the analysis that will be performed. Multiple participant level analyses can be run independently (in parallel).",
-      "id": "AnalysisLevel",
-      "name": "Analysis level",
-      "value-key": "[AnalysisLevel]",
-      "type": "String",
-      "optional": false,
-      "list": false,
-      "value-choices": [
-        "subject",
-        "dataset"
-      ],
-      "default": "subject",
-      "command-line-flag": "--analysis-level"
-    },
-    {
-      "description": "The label(s) of the participant(s) that should be analyzed. The label corresponds to sub-<participant_label> from the BIDS spec (so it does not include \"sub-\"). If this parameter is not provided all subjects will be analyzed. Multiple participants can be specified with a space separated list.",
-      "id": "SubjectLabel",
-      "name": "Subject labels",
-      "value-key": "[SubjectLabel]",
-      "type": "String",
-      "list": true,
-      "optional": false,
-      "command-line-flag": "--participant-label"
-    },
-    {
-      "description": "Action to perform",
-      "id": "Action",
-      "name": "Action",
-      "value-key": "[Action]",
-      "type": "String",
-      "list": false,
-      "value-choices": [
-        "preprocess",
-        "stats"
-      ],
-      "optional": false,
-      "command-line-flag": "--action"
-    },
-    {
-      "description": " Path to a JSON file to filter input file",
-      "id": "BidsFileFilter",
-      "name": "Bids file filter",
-      "value-key": "[BidsFileFilter]",
-      "type": "File",
-      "default": "",
-      "list": false,
-      "optional": true,
-      "command-line-flag": "--bids-filter-file"
-    },
-    {
-      "description": "for debugging",
-      "id": "DryRun",
-      "name": "Dry run",
-      "value-key": "[DryRun]",
-      "type": "File",
-      "default": false,
-      "list": false,
-      "optional": true,
-      "command-line-flag": "--dry-run"
-    }
-  ],
-  "output-files": [
-    {
-      "description": "The directory where the output files should be stored. If you are running a group level analysis, this folder should be prepopulated with the results of the participant level analysis.",
-      "id": "OutputLocation",
-      "name": "Output location",
-      "optional": false,
-      "path-template": "OutputLocation"
-    }
-  ],
-  "schema-version": "0.5",
-  "tool-version": "dev"
-}
diff --git a/WIP/boutiques/invocation.json b/WIP/boutiques/invocation.json
deleted file mode 100644
index 3c0c56832..000000000
--- a/WIP/boutiques/invocation.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "bids_dir": "ds001",
-  "output_dir_name": "example-output",
-  "analysis_level": "subject",
-  "participant_label": [
-    "01"
-  ],
-  "action": "preprocess"
-}
diff --git a/WIP/create_boutiques_descriptor.py b/WIP/create_boutiques_descriptor.py
new file mode 100644
index 000000000..313c7730a
--- /dev/null
+++ b/WIP/create_boutiques_descriptor.py
@@ -0,0 +1,15 @@
+import boutiques.creator as bc
+
+from bidspm.parsers import common_parser
+
+newDescriptor = bc.CreateDescriptor(common_parser(), execname="bidspm")
+
+newDescriptor.save("my-new-descriptor.json")
+
+# args = common_parser.parse_args()
+# invoc = newDescriptor.createInvocation(args)
+
+# # Then, if you want to save them to a file...
+# import json
+# with open('my-inputs.json', 'w') as fhandle:
+#     fhandle.write(json.dumps(invoc, indent=4))
diff --git a/WIP/write_model_graph.py b/WIP/write_model_graph.py
new file mode 100644
index 000000000..798f99004
--- /dev/null
+++ b/WIP/write_model_graph.py
@@ -0,0 +1,11 @@
+from pathlib import Path
+
+from bids.modeling.statsmodels import BIDSStatsModelsGraph
+
+graph = BIDSStatsModelsGraph(
+    layout=Path("/home/remi/github/cpp-lln-lab/bidspm/demos/MoAE/inputs/raw"),
+    model="/home/remi/github/cpp-lln-lab/bidspm/demos/openneuro/models/model-narps_desc-U26C_smdl.json",
+)
+
+
+graph.write_graph()
diff --git a/src/bidspm/parsers.py b/src/bidspm/parsers.py
index 3fd0b3939..2256d0412 100644
--- a/src/bidspm/parsers.py
+++ b/src/bidspm/parsers.py
@@ -472,7 +472,7 @@ def _add_roi_atlas(parser: ArgumentParser) -> ArgumentParser:
         type=str,
         nargs=1,
         default="neuromorphometrics",
-        choices=SUPPORTED_ATLASES,
+        choices=list(SUPPORTED_ATLASES),
     )
     return parser