Update app.py

app.py

@@ -20,7 +20,7 @@ st.title("MCQs Creator Application")
 def download(df):
      col1, col2 = st.columns(2)
 
-    if button:
+    if button: 
         if col1.button("Download CSV"):
            csv_data = df.to_csv(index=False).encode("utf-8")
            st.download_button(data=csv_data,
@@ -29,9 +29,9 @@ def download(df):
                               help="Click to download as CSV"
                                 )                   
 
-    if col2.button("Download as PDF"):
-        pdf_data = df.to_html().encode("utf-8")
-        st.download_button(         data=pdf_data,
+        if col2.button("Download as PDF"):
+           pdf_data = df.to_html().encode("utf-8")
+           st.download_button( data=pdf_data,
                                     file_name="generated_mcqs.pdf",
                                     key="pdf-download",
                                     help="Click to download as PDF"