dicttoh5: use update_mode instead of overwrite_data

nabu/io/config.py

@@ -228,6 +228,10 @@ def export_dict_to_h5(dic, h5file, h5path, overwrite_data=True, mode="a"):
     mode: str, optional
         File mode. Default is "a" (append).
     """
+    # in silx >= 0.15, overwrite_data = True becomes update_mode='modify
+    # and overwrite_data=False becomes update_mode='add'
+    update_mode = ["add", "modify"][overwrite_data]
+    #
     modified_dic = convert_dict_values(
         dic,
         {None: "None"},
@@ -236,7 +240,7 @@ def export_dict_to_h5(dic, h5file, h5path, overwrite_data=True, mode="a"):
         modified_dic,
         h5file=h5file,
         h5path=h5path,
-        overwrite_data=overwrite_data,
+        update_mode=update_mode,
         mode=mode
     )