Update app.py

app.py

@@ -183,7 +183,7 @@ if st.session_state.df is None:
                                     "Covid-19 Dataset"])
         
 
-                elif selected == "Iris Dataset":
+                if selected == "Iris Dataset":
                     from sklearn.datasets import load_iris
                     iris = load_iris()
                     df = pd.DataFrame(iris.data, columns=iris.feature_names)