Update app.py

app.py

@@ -23,12 +23,14 @@ db_name = "vector_db"
 # Load environment variables in a file called .env
 
 load_dotenv(override=True)
-print(os.environ['OPENAI_API_KEY'] )
+
 
 def process_pdf(pdf_file):
     loader = PyPDFLoader(pdf_file.name)
     pages = loader.load()
-    
+    if pages["page_content"] is None:
+         raise ValueError(f"No text chunks generated from {pdf_file}")
+        
     text_splitter = RecursiveCharacterTextSplitter(
         chunk_size=500,
         chunk_overlap=50