Update app.py

app.py

@@ -27,9 +27,9 @@ st.sidebar.title('Choose Dataset')
 
 # Datasets
 data_set = st.sidebar.selectbox('Datasets', [
-    '1.ushape', '2.concerticcir1', '3.concertriccir2', 
-    '4.linearsep', '5.outlier', '6.overlap', 
-    '7.xor', '8.twospirals', '9.random'
+    '1.ushape.csv', '2.concerticcir1.csv', '3.concertriccir2.csv', 
+    '4.linearsep.csv', '5.outlier.csv', '6.overlap.csv', 
+    '7.xor.csv', '8.twospirals.csv', '9.random.csv', 'None'
 ])