Create intermediary directories if they haven't been already

extensions/chaeo/util.py

@@ -89,8 +89,10 @@ def loop_workflow(files, where_output, workflow_func, params,
         # export intermediate data if flagged
         if write_intermediate_products:
             for k in result['interm'].keys():
+                path = Path(where_output) / k / (Path(ff).stem + '.tif')
+                path.parent.mkdir(parents=True, exist_ok=True)
                 write_accessor_data_to_file(
-                    Path(where_output) / k / (Path(ff).stem + '.tif'),
+                    path,
                     InMemoryDataAccessor(result['interm'][k])
                 )