Update app.py

app.py

@@ -18,7 +18,7 @@ rag_llm = ChatGroq(model="mixtral-8x7b-32768")
 
 st.title("❓")
 
-# Options for PDF input
+# Step 1: Choose PDF Source
 pdf_source = st.radio("Upload or provide a link to a PDF:", ["Upload a PDF", "Enter a PDF URL"], index=0)
 
 if pdf_source == "Upload a PDF":
@@ -31,18 +31,20 @@ if pdf_source == "Upload a PDF":
 elif pdf_source == "Enter a PDF URL":
     pdf_url = st.text_input("Enter PDF URL:")
     if pdf_url:
-        try:
-            response = requests.get(pdf_url)
-            if response.status_code == 200:
-                with open("temp.pdf", "wb") as f:
-                    f.write(response.content)
-                pdf_path = "temp.pdf"
-                st.success("✅ PDF Downloaded Successfully!")
-            else:
-                st.error("❌ Failed to download PDF. Check the URL.")
+        with st.spinner("Downloading PDF..."):
+            try:
+                response = requests.get(pdf_url)
+                if response.status_code == 200:
+                    with open("temp.pdf", "wb") as f:
+                        f.write(response.content)
+                    pdf_path = "temp.pdf"
+                    st.success("✅ PDF Downloaded Successfully!")
+                else:
+                    st.error("❌ Failed to download PDF. Check the URL.")
+                    pdf_path = None
+            except Exception as e:
+                st.error(f"Error downloading PDF: {e}")
                 pdf_path = None
-        except Exception as e:
-            st.error(f"Error downloading PDF: {e}")
-            pdf_path = None
 else:
     pdf_path = None
+