Update app.py

app.py

@@ -26,7 +26,8 @@ st.title("❓")
 # Step 1: Choose PDF Source
 #### Initialize pdf_path
 pdf_path = None
-pdf_source = st.radio("Upload or provide a link to a PDF:", ["Upload a PDF file", "Enter a PDF URL"], index=0)
+pdf_source = st.radio("Upload or provide a link to a PDF:", ["Upload a PDF file", "Enter a PDF URL"], index=0, horizontal=True)
+
 
 if pdf_source == "Upload a PDF file":
     uploaded_file = st.file_uploader("Upload your PDF file", type="pdf")