Fix params being changed during pipeline.eval() (deepset-ai#2638)

nniiggeell · Jun 8, 2022 · 293a3b5 · 293a3b5
1 parent 374155f
commit 293a3b5
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/haystack/pipelines/base.py b/haystack/pipelines/base.py
@@ -1109,6 +1109,8 @@ def eval(
  if add_isolated_node_eval:
  if params is None:
  params = {}
+ else:
+ params = params.copy()
  params["add_isolated_node_eval"] = True
 
  # if documents is None, set docs_per_label to None for each label