fix: Update to ComponentTool __deepcopy__ (#9302)

sjrl · julian-risch · commit 8d109a93ce5e · 2025-04-24T14:28:14.000+02:00
* Hopefully a fix

* Add reno
diff --git a/haystack/tools/component_tool.py b/haystack/tools/component_tool.py
@@ -435,7 +435,7 @@ def __deepcopy__(self, memo: Dict[Any, Any]) -> "ComponentTool":
             try:
                 # Try to deep copy the attribute
                 setattr(result, key, deepcopy(value, memo))
-            except TypeError:
+            except (TypeError, NotImplementedError):
                 # Fall back to using the original attribute for components that use Jinja2-templates
                 logger.debug(
                     "deepcopy of ComponentTool {tool_name} failed. Using original attribute '{attribute}' instead.",
diff --git a/releasenotes/notes/fix-component-tool-deepcopy-969c611ca028d294.yaml b/releasenotes/notes/fix-component-tool-deepcopy-969c611ca028d294.yaml
@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Update the __deepcopy__ of ComponentTool to gracefully handle NotImplementedError when trying to deepcopy attributes.

-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +---
 +fixes:
 +  - |
 +    Update the __deepcopy__ of ComponentTool to gracefully handle NotImplementedError when trying to deepcopy attributes.