Update GroqLLMService docstrings

src/pipecat/services/groq/llm.py

@@ -4,6 +4,8 @@
 # SPDX-License-Identifier: BSD 2-Clause License
 #
 
+"""Groq LLM Service implementation using OpenAI-compatible interface."""
+
 from loguru import logger
 
 from pipecat.services.openai.llm import OpenAILLMService
@@ -16,10 +18,10 @@ class GroqLLMService(OpenAILLMService):
     maintaining full compatibility with OpenAI's interface and functionality.
 
     Args:
-        api_key (str): The API key for accessing Groq's API
-        base_url (str, optional): The base URL for Groq API. Defaults to "https://api.groq.com/openai/v1"
-        model (str, optional): The model identifier to use. Defaults to "llama-3.3-70b-versatile"
-        **kwargs: Additional keyword arguments passed to OpenAILLMService
+        api_key: The API key for accessing Groq's API.
+        base_url: The base URL for Groq API. Defaults to "https://api.groq.com/openai/v1".
+        model: The model identifier to use. Defaults to "llama-3.3-70b-versatile".
+        **kwargs: Additional keyword arguments passed to OpenAILLMService.
     """
 
     def __init__(
@@ -33,6 +35,15 @@ class GroqLLMService(OpenAILLMService):
         super().__init__(api_key=api_key, base_url=base_url, model=model, **kwargs)
 
     def create_client(self, api_key=None, base_url=None, **kwargs):
-        """Create OpenAI-compatible client for Groq API endpoint."""
+        """Create OpenAI-compatible client for Groq API endpoint.
+
+        Args:
+            api_key: API key for authentication. If None, uses instance api_key.
+            base_url: Base URL for the API. If None, uses instance base_url.
+            **kwargs: Additional arguments passed to the client constructor.
+
+        Returns:
+            An OpenAI-compatible client configured for Groq's API.
+        """
         logger.debug(f"Creating Groq client with api {base_url}")
         return super().create_client(api_key, base_url, **kwargs)