Ilya

Add `model_name="gpt-3.5-turbo"` to `OpenAI` attributes. For reference, this is the [SQL Database Agent](https://python.langchain.com/en/latest/modules/agents/toolkits/examples/sql_database.html) code with the change: ``` from langchain.agents import create_sql_agent from langchain.agents.agent_toolkits import SQLDatabaseToolkit from langchain.sql_database import SQLDatabase...

@devstein, I appreciate your suggestion, but using re.escape would also escape the '\' character in '\n', which isn't the intended behavior. It's important to note that these strings are regular...

@hwchase17 I added a test for markdown. There were a few issues with the regex expressions for RST and Markdown which I fixed and added test covering this.