Update app.py

app.py

@@ -221,8 +221,6 @@ def main():
     st.title("Research Paper Guru")
     st.subheader("Upload PDF or Enter URL")
     embeddings = None
-    col1, col2 = st.columns(2)
-    with col1:
         pdf_option = st.selectbox("Choose an option:", ["Upload PDF", "Enter URL"])
         chatbot = Chatbot()
 
@@ -246,7 +244,6 @@ def main():
                         show_pdf(content)
                     except Exception as e:
                         st.error(f"An error occurred while processing the PDF: {e}")
-    with col2:
         st.subheader("Ask a question about a research paper and get an answer with sources!")
         query = st.text_input("Enter your query:")
         if query: