Checked other resources

• This is a bug, not a usage question. For questions, please use the LangChain Forum (https://forum.langchain.com/).
• I added a clear and descriptive title that summarizes this issue.
• I used the GitHub search to find a similar question and didn't find it.
• I am sure that this is a bug in LangChain rather than my code.
• The bug is not resolved by updating to the latest stable version of LangChain (or the specific integration package).
• I read what a minimal reproducible example is (https://stackoverflow.com/help/minimal-reproducible-example).
• I posted a self-contained, minimal, reproducible example. A maintainer can copy it and run it AS IS.

Example Code

#13794

     def save(self, file_path: Union[Path, str]) -> None: 
         """Save prompt to file. 
  
         Args: 
             file_path: path to file. 
         """ 
         raise NotImplementedError() 

Error Message and Stack Trace (if applicable)

No response

Description

ChatPromptTemplate save method not implemented

System Info

ChatPromptTemplate save method not implemented!Looking at ur fxxking lib!