fix imports (langchain-ai#1288)

Author: hwchase17

langchain/document_loaders/notebook.py

@@ -3,8 +3,6 @@
 from pathlib import Path
 from typing import Any, List
 
-import pandas as pd
-
 from langchain.docstore.document import Document
 from langchain.document_loaders.base import BaseLoader
 
@@ -47,7 +45,9 @@ def concatenate_cells(
 
 
 def remove_newlines(x: Any) -> Any:
- """Remove recursivelly newlines, no matter the data structure they are stored in."""
+ """Remove recursively newlines, no matter the data structure they are stored in."""
+ import pandas as pd
+
  if isinstance(x, str):
  return x.replace("\n", "")
  elif isinstance(x, list):

poetry.lock

@@ -48,7 +48,7 @@ sentence-transformers = {version = "^2", optional = true}
 aiohttp = "^3.8.3"
 pypdf = {version = "^3.4.0", optional = true}
 networkx = {version="^2.6.3", optional = true}
-aleph-alpha-client = "^2.15.0"
+aleph-alpha-client = {version="^2.15.0", optional = true}
 
 [tool.poetry.group.docs.dependencies]
 autodoc_pydantic = "^1.8.0"