Update app.py

app.py

@@ -5,14 +5,13 @@ import matplotlib.pyplot as plt
 import io
 import gradio as gr
 
-
 def sma_crossover_strategy(initial_budget, start_date, end_date, ticker):
     try:
         df = yf.download(ticker, start=start_date, end=end_date, progress=False)
         if df.empty:
-            return None, "No data available for the specified ticker and date range."
+            return None, "No data available for the specified ticker and date range.", None
     except Exception as e:
-        return None, f"Error fetching data: {str(e)}"
+        return None, f"Error fetching data: {str(e)}", None
 
     df = df[['Close']]
     df['SMA_50'] = df['Close'].rolling(window=50).mean()
@@ -69,9 +68,9 @@ def sma_crossover_strategy(initial_budget, start_date, end_date, ticker):
     Percentage Return: {percentage_return:.2f}%
     """
 
-    return plot_file, results
-
+    return plot_file, results, None
 
+# Gradio Blocks Context
 with gr.Blocks() as app:
     gr.Markdown("# SMA Crossover Trading Strategy Simulator")
 
@@ -88,6 +87,7 @@ with gr.Blocks() as app:
     portfolio_graph = gr.Image(label="Portfolio Value Over Time")
     summary_text = gr.Textbox(label="Simulation Summary", lines=8)
 
+    # Ensure run_button.click() is defined here
     run_button.click(
         sma_crossover_strategy,
         inputs=[initial_budget, start_date, end_date, ticker],