Update app.py

app.py

@@ -10,7 +10,8 @@ from langchain.llms import HuggingFaceHub
 from htmltemplates import css, bot_template, user_template
 
 def get_text_chunks(text):
-    text_splitter = RecursiveCharacterTextSplitter(
+    try:
+        text_splitter = RecursiveCharacterTextSplitter(
     
         chunk_size=1000,
         chunk_overlap=200,
@@ -18,6 +19,10 @@ def get_text_chunks(text):
     )
     chunks = text_splitter.split_text(text)
     return chunks
+except Exception as e:
+st.error(f"Error in get_text_chunks:{e}")
+return []
+
 
 def get_pdf_text(pdf_docs):
     text = ""
@@ -28,9 +33,13 @@ def get_pdf_text(pdf_docs):
     return text 
 
 def get_vectorstore(text_chunks):
-    embeddings = HuggingFaceInstructEmbeddings(model_name="hkunlp/instructor-xl")
+    try:
+        embeddings = HuggingFaceInstructEmbeddings(model_name="hkunlp/instructor-xl")
     vectorstore = FAISS.from_texts(texts=text_chunks, embedding=embeddings)
     return vectorstore
+except Exception as e:
+st.error(f"Error in get_vectorstore:{e}")
+return None
 
 def get_conversation_chain(vectorstore):
     llm = HuggingFaceHub(repo_id="google/flan-t5-xxl", model_kwargs={"temperature": 0.5, "max_length": 512})