fix(bedrock_httpx.py): raise bad request error if invalid bedrock model given

litellm/llms/bedrock_httpx.py

@@ -1054,10 +1054,11 @@ class BedrockLLM(BaseLLM):
                     "complete_input_dict": inference_params,
                 },
             )
-            raise Exception(
-                "Bedrock HTTPX: Unsupported provider={}, model={}".format(
+            raise BedrockError(
+                status_code=400,
+                message="Bedrock HTTPX: Unsupported provider={}, model={}".format(
                     provider, model
-                )
+                ),
             )
 
         ## COMPLETION CALL

litellm/tests/test_bedrock_completion.py

@@ -1157,3 +1157,16 @@ def test_bedrock_tools_pt_invalid_names():
     assert len(result) == 2
     assert result[0]["toolSpec"]["name"] == "a123_invalid_name"
     assert result[1]["toolSpec"]["name"] == "another_invalid_name"
+
+
+def test_bad_request_error():
+    with pytest.raises(litellm.BadRequestError):
+        completion(
+            model="bedrock/bad_model",
+            messages=[
+                {
+                    "role": "user",
+                    "content": "What is the meaning of life",
+                }
+            ],
+        )