ModuleNotFoundError — Jupyter Lab Langchain Import StrOutputParser

I was running into this error while going through the new Deeplearning.ai course on Langchain:

When I ran:

from langchain.prompts import ChatPromptTemplate
from langchain.chat_models import ChatOpenAI
from langchain.schema.output_parser import StrOutputParser

I got:

ModuleNotFoundError Traceback (most recent call last)
Cell In[11], line 3
 1 from langchain.prompts import ChatPromptTemplate
 2 from langchain.chat_models import ChatOpenAI
 — →…