Update app.py

app.py

@@ -33,17 +33,10 @@ model.eval()
 
 def create_default_timeseries():
     """Create default time series with sudden increase"""
-    x1 = np.arange(256)
-    x2 = np.arange(256)
-    ts1 = np.sin(x1 / 10) * 5.0
-    ts1[103:] -= 10.0
-    ts2 = x2 * 0.01
-    ts2[100] += 10.0
-
-    df = pd.DataFrame({
-        "TS1": ts1,
-        "TS2": ts2
-    })
+    seq_len = 256
+    y = np.zeros(seq_len, dtype=np.float32)
+    y[100:] += 1
+    df = pd.DataFrame({"default_series": y})
     return df
 
 def process_csv_file(csv_file):
@@ -351,4 +344,4 @@ with gr.Blocks(title="ChatTS Demo") as demo:
     )
 
 if __name__ == '__main__':
-    demo.launch()
+    demo.launch()