h5todict: use update_mode='modify' instead of overwrite_data=True

nabu/io/writer.py

@@ -105,7 +105,7 @@ class NXProcessWriter(Writer):
                     config,
                     self.fname,
                     '/'.join([nx_process.name, 'configuration']),
-                    overwrite_data=True,
+                    update_mode='modify',
                     mode="a"
                 )
                 nx_process['configuration'].attrs['NX_class'] = "NXcollection"
@@ -115,7 +115,7 @@ class NXProcessWriter(Writer):
                     result,
                     self.fname,
                     results_path,
-                    overwrite_data=True,
+                    update_mode='modify',
                     mode="a"
                 )
             else: