Update app.py

app.py

@@ -10,7 +10,7 @@ from langchain_community.document_loaders import PyPDFLoader
 from langchain_community.embeddings import HuggingFaceEmbeddings
 from dotenv import load_dotenv
 
-# Load environment variables
+# Load the environment variables
 load_dotenv()
 
 # Load the GROQ API key
@@ -46,12 +46,6 @@ def process_pdf(file):
         return "PDF processed and added to the knowledge base."
     return "No file uploaded."
 
-# Function to clear the knowledge base
-def clear_knowledge_base():
-    global vectors
-    vectors = None 
-    return "Knowledge base cleared."
-
 # Function to process questions
 def process_question(question):
     if vectors is None:
@@ -95,7 +89,6 @@ with gr.Blocks(css=CSS, theme="Nymbo/Nymbo_Theme") as demo:
     with gr.Tab("PDF Uploader"):
         pdf_file = gr.File(label="Upload PDF")
         upload_button = gr.Button("Process PDF")
-        clear_button = gr.Button("Clear Knowledge Base")  
         upload_output = gr.Textbox(label="Upload Status")
 
     with gr.Tab("Q&A System"):
@@ -108,9 +101,6 @@ with gr.Blocks(css=CSS, theme="Nymbo/Nymbo_Theme") as demo:
     # Button actions
     upload_button.click(process_pdf, inputs=[pdf_file], outputs=[upload_output])
     submit_button.click(process_question, inputs=[question_input], outputs=[answer_output, context_output, confidence_output])
-    
-    # Action to clear the knowledge base
-    clear_button.click(clear_knowledge_base, outputs=[upload_output])
 
     gr.HTML(FOOTER_TEXT)