Update app.py

app.py

@@ -18,7 +18,7 @@ from langchain.vectorstores import Chroma
 from langchain.embeddings import HuggingFaceEmbeddings
 import spacy
 # Load the English model from SpaCy
-nlp = spacy.load("en_core_web_md")
+nlp = spacy.load("en_core_web_sm")
 
 def util_upload_file_and_return_list_docs(uploaded_files):
     #util_del_cwd()
@@ -88,7 +88,7 @@ def get_summary_single_doc(text):
     #Define the LLM
     # here we are using OpenAI's ChatGPT
     from langchain.chat_models import ChatOpenAI
-    model_name = "gpt-4o"
+    model_name = "gpt-4o-mini"
     llm=ChatOpenAI(temperature=0, openai_api_key=LLM_KEY, model_name=model_name)
 
     refine_chain = load_summarize_chain(