data is default attachments dir inside rendered dir

Author: JavierCladellas

src/feelpp/benchmarking/json_report/renderer.py

@@ -78,7 +78,7 @@ def render(self, output_dirpath: str, output_filename:str = None, attachments_di
         output_filepath = os.path.join( output_dirpath, os.path.basename(output_filename) )
 
         if not attachments_dirpath:
-            attachments_dirpath = os.path.dirname(output_filepath)
+            attachments_dirpath = os.path.join(os.path.dirname(output_filepath),"data")
 
         self.renderer.render(
             output_filepath,