Update app.py

app.py

@@ -79,7 +79,7 @@ def plot_charts(data, symbol, interval):
         subplot_titles = ('Price & Volume', 'RSI', 'MACD', 'On-Balance Volume (OBV)')
         row_heights = [0.35, 0.15, 0.15, 0.35]
     else:
-        rows = 5  # Added two extra rows for OBV and Bollinger Bands
+        rows = 5  # Added two extra rows for Bollinger Bands and OBV
         subplot_titles = ('Price & Volume', 'RSI', 'MACD', 'Bollinger Bands', 'On-Balance Volume (OBV)')
         row_heights = [0.3, 0.15, 0.15, 0.2, 0.2]
     
@@ -204,6 +204,7 @@ def main():
                 else:
                     daily_change = 0.0  # Not enough data to calculate change
                 
+                # Initialize five columns, but OBV may not always be present
                 col1, col2, col3, col4, col5 = st.columns(5)
                 col1.metric("Current Price", f"₹{current_price:.2f}", f"{daily_change:.2f}%")
                 
@@ -245,7 +246,6 @@ def main():
                 
                 # SMA Signals
                 if 'SMA_20' in data.columns and 'SMA_50' in data.columns:
-                    current_price = data['Close'][-1]
                     sma_20 = data['SMA_20'][-1]
                     sma_50 = data['SMA_50'][-1]
                     
@@ -255,16 +255,16 @@ def main():
                         signals.append("Price is below major moving averages - Bearish")
                 
                 # OBV Signals
-                if 'OBV' in data.columns:
+                if 'OBV' in data.columns and len(data) >= 2:
                     obv = data['OBV'][-1]
-                    obv_prev = data['OBV'][-2] if len(data) >= 2 else obv
+                    obv_prev = data['OBV'][-2]
                     if obv > obv_prev:
                         signals.append("OBV is increasing - Positive volume trend")
                     elif obv < obv_prev:
                         signals.append("OBV is decreasing - Negative volume trend")
                 
                 # Bollinger Bands Signals
-                if rows == 5:
+                if interval not in minute_intervals:
                     price = data['Close'][-1]
                     bb_upper = data['BB_upper'][-1]
                     bb_lower = data['BB_lower'][-1]