fix(bedrock_httpx.py): fix error code for not found provider/model combo to be 404

litellm/llms/bedrock_httpx.py

@@ -1055,8 +1055,8 @@ class BedrockLLM(BaseLLM):
                 },
             )
             raise BedrockError(
-                status_code=400,
-                message="Bedrock HTTPX: Unsupported provider={}, model={}".format(
+                status_code=404,
+                message="Bedrock HTTPX: Unknown provider={}, model={}".format(
                     provider, model
                 ),
             )

litellm/tests/test_bedrock_completion.py

@@ -1159,8 +1159,8 @@ def test_bedrock_tools_pt_invalid_names():
     assert result[1]["toolSpec"]["name"] == "another_invalid_name"
 
 
-def test_bad_request_error():
-    with pytest.raises(litellm.BadRequestError):
+def test_not_found_error():
+    with pytest.raises(litellm.NotFoundError):
         completion(
             model="bedrock/bad_model",
             messages=[