update agent docs (#10894)

libs/langchain/langchain/agents/format_scratchpad/__init__.py

@@ -1,3 +1,10 @@
+"""Logic for formatting intermediate steps into an agent scratchpad.
+
+Intermediate steps refers to the list of (AgentAction, observation) tuples
+that result from previous iterations of the agent.
+Depending on the prompting strategy you are using, you may want to format these
+differently before passing them into the LLM.
+"""
 from langchain.agents.format_scratchpad.log import format_log_to_str
 from langchain.agents.format_scratchpad.log_to_messages import format_log_to_messages
 from langchain.agents.format_scratchpad.openai_functions import (

libs/langchain/langchain/tools/render.py

@@ -1,3 +1,9 @@
+"""Different methods for rendering Tools to be passed to LLMs.
+
+Depending on the LLM you are using and the prompting strategy you are using,
+you may want Tools to be rendered in a different way.
+This module contains various ways to render tools.
+"""
 from typing import List
 
 from langchain.tools.base import BaseTool