Update gradio_app.py

gradio_app.py

@@ -6,7 +6,7 @@ import pandas as pd
 
 symbols = pd.read_csv('data/Ticker_List_NSE_India.csv')
 
-def run(stock, strategy, swing_hl, ema1, ema2, cross_close):
+def run(stock, strategy, swing_hl, ema1=9, ema2=21, cross_close=False):
     # Downloading ticker data.
     ticker =  symbols[symbols['NAME OF COMPANY'] == stock]['YahooEquiv'].values[0]
     data = fetch(ticker, period='1mo', interval='15m')