fix(AbstractGraph): Bedrock init issues

Closes #633

Author: f-aguzzi

scrapegraphai/graphs/abstract_graph.py

@@ -128,7 +128,7 @@ def _create_llm(self, llm_config: dict) -> object:
             return llm_params["model_instance"]    
 
         known_providers = {"openai", "azure_openai", "google_genai", "google_vertexai",
-                        "ollama", "oneapi", "nvidia", "groq", "anthropic" "bedrock", "mistralai",
+                        "ollama", "oneapi", "nvidia", "groq", "anthropic", "bedrock", "mistralai",
                         "hugging_face", "deepseek", "ernie", "fireworks", "togetherai"}
 
         split_model_provider = llm_params["model"].split("/", 1)
@@ -146,6 +146,8 @@ def _create_llm(self, llm_config: dict) -> object:
 
         try:
             if llm_params["model_provider"] not in {"oneapi", "nvidia", "ernie", "deepseek", "togetherai"}:
+                if llm_params["model_provider"] == "bedrock":
+                    llm_params["model_kwargs"] = { "temperature" : llm_params.pop("temperature") }
                 with warnings.catch_warnings():
                     warnings.simplefilter("ignore")
                     return init_chat_model(**llm_params)

tests/graphs/abstract_graph_test.py

@@ -12,6 +12,7 @@
 from langchain_openai import ChatOpenAI, AzureChatOpenAI
 from langchain_ollama import ChatOllama
 from langchain_google_genai import ChatGoogleGenerativeAI
+from langchain_aws import ChatBedrock
 
 
 
@@ -71,6 +72,7 @@ class TestAbstractGraph:
         ({"model": "ollama/llama2"}, ChatOllama),
         ({"model": "oneapi/qwen-turbo", "api_key": "oneapi-api-key"}, OneApi),
         ({"model": "deepseek/deepseek-coder", "api_key": "deepseek-api-key"}, DeepSeek),
+        ({"model": "bedrock/anthropic.claude-3-sonnet-20240229-v1:0", "region_name": "IDK"}, ChatBedrock),
     ])
 
     def test_create_llm(self, llm_config, expected_model):