Fix the pickle protocol version

pyiron · Dec 18, 2023 · d07b0f7 · d07b0f7
1 parent 45765e6
commit d07b0f7
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/pyiron_base/jobs/datamining.py b/pyiron_base/jobs/datamining.py
@@ -34,7 +34,9 @@
 
 
 def _to_pickle(hdf, key, value):
-    hdf[key] = codecs.encode(cloudpickle.dumps(value), "base64").decode()
+    hdf[key] = codecs.encode(
+        cloudpickle.dumps(obj=value, protocol=5, buffer_callback=None), "base64"
+    ).decode()
 
 
 def _from_pickle(hdf, key):