Update app.py

app.py

@@ -15,7 +15,7 @@ data2 = pd.read_csv('tesla.csv')
 datasets = {'Google': data1, 'Tesla': data2}
 
 # Get the user's dataset selection
-selected_dataset = st.selectbox('Select Stock', list(datasets.keys()))
+selected_dataset = st.selectbox('Select Stock', list(datasets.keys()), key='dataset_selection')
 
 # Retrieve the selected dataset
 selected_data = datasets[selected_dataset]
@@ -58,7 +58,7 @@ axes[2].set_title(f'{selected_dataset} Daily Percentage Change in Stock Prices')
 # Add a submit button
 if st.button('Submit'):
     # Get the updated dataset selection
-    selected_dataset = st.selectbox('Select Stock', list(datasets.keys()))
+    selected_dataset = st.selectbox('Select Stock', list(datasets.keys()), key='dataset_selection')
 
     # Retrieve the updated dataset
     selected_data = datasets[selected_dataset]