Fix anthropic error code 400

amanjaiswal73892 · amanjaiswal73892 · commit caa058a9ab8a · 2025-06-03T17:36:43.000-04:00
diff --git a/src/agentlab/llm/response_api.py b/src/agentlab/llm/response_api.py
@@ -187,6 +187,12 @@ def prepare_message(self) -> List[Message]:
                     "content": output["content"],
                 }
             ]
+        if self.role == "assistant":
+            # Strip whitespace from assistant text responses. See anthropic error code 400.
+            for c in output["content"]:
+                if 'text' in c:
+                    c["text"] = c["text"].strip()  
+
         return [output]
 
     def transform_content(self, content: ContentItem) -> ContentItem:

Original file line number	Diff line number	Diff line change
`@@ -187,6 +187,12 @@ def prepare_message(self) -> List[Message]:`
`187`	`187`	`"content": output["content"],`
`188`	`188`	`}`
`189`	`189`	`]`
	`190`	`+ if self.role == "assistant":`
	`191`	`+ # Strip whitespace from assistant text responses. See anthropic error code 400.`
	`192`	`+ for c in output["content"]:`
	`193`	`+ if 'text' in c:`
	`194`	`+ c["text"] = c["text"].strip()`
	`195`	`+`
`190`	`196`	`return [output]`
`191`	`197`
`192`	`198`	`def transform_content(self, content: ContentItem) -> ContentItem:`