Make sure we do not try to add data samples to the provenance store, …

…i.e. when using `bidsmapper -s` (GitHub issue #252)

bidscoin/bidseditor.py

@@ -147,6 +147,9 @@ def __init__(self, bidsfolder: Path, input_bidsmap: BidsMap, template_bidsmap: B
                 input_bidsmap = copy.deepcopy(template_bidsmap)
                 input_bidsmap.delete_runs()
 
+        # Make sure we do not try to add data samples to the provenance store (i.e. when using bidsmapper -s)
+        input_bidsmap.store = {}
+
         # Keep track of the EditWindow status
         self.editwindow_opened: Union[str,None] = None
         """The provenance of the run-item that is opened in the EditWindow"""