clean up privategpt example

examples/privategpt/ingest.py

@@ -2,7 +2,6 @@
 import os
 import glob
 from typing import List
-from dotenv import load_dotenv
 from multiprocessing import Pool
 from tqdm import tqdm
 
@@ -27,9 +26,6 @@ from langchain.docstore.document import Document
 from constants import CHROMA_SETTINGS
 
 
-load_dotenv()
-
-
 # Load environment variables
 persist_directory = os.environ.get('PERSIST_DIRECTORY', 'db')
 source_directory = os.environ.get('SOURCE_DIRECTORY', 'source_documents')
@@ -37,7 +33,6 @@ embeddings_model_name = os.environ.get('EMBEDDINGS_MODEL_NAME', 'all-MiniLM-L6-v
 chunk_size = 500
 chunk_overlap = 50
 
-
 # Custom document loaders
 class MyElmLoader(UnstructuredEmailLoader):
     """Wrapper to fallback to text/plain when default does not work"""