fix

requirements.txt

@@ -5,4 +5,5 @@ langchain-core>=0.1.0
 langchain-community>=0.0.1
 pydantic==2.0
 python-dotenv
-smolagents
+smolagents
+langchain-google-genai

utils.py

@@ -0,0 +1,28 @@
+from typing import Optional
+from langchain_google_genai import ChatGoogleGenerativeAI
+
+def get_llm(
+    llm_provider_api_key: str,
+    model_name: Optional[str] = None,
+    temperature: float = 0.7,
+    max_tokens: Optional[int] = None
+) -> ChatGoogleGenerativeAI:
+    """
+    Initialize and return a Google Generative AI language model.
+    
+    Args:
+        llm_provider_api_key: Google API key
+        model_name: Name of the model to use (default: None)
+        temperature: Sampling temperature (default: 0.7)
+        max_tokens: Maximum number of tokens to generate (default: None)
+    
+    Returns:
+        ChatGoogleGenerativeAI: Initialized language model
+    """
+    return ChatGoogleGenerativeAI(
+        google_api_key=llm_provider_api_key,
+        model=model_name,
+        temperature=temperature,
+        max_output_tokens=max_tokens,
+        convert_system_message_to_human=True
+    )