Update app.py

app.py

@@ -11,7 +11,19 @@ import os
 
 # --- Page Configuration ---
 st.set_page_config(layout="wide")
-
+# --- Streamlit Session State Initialization ---
+if 'run_button_clicked' not in st.session_state:
+    st.session_state.run_button_clicked = False
+if 'loading' not in st.session_state:
+    st.session_state.loading = False
+if 'data' not in st.session_state:
+    st.session_state.data = None
+if 'predictions' not in st.session_state:
+    st.session_state.predictions = None
+if 'error' not in st.session_state:
+    st.session_state.error = None
+if 'last_ticker' not in st.session_state:
+    st.session_state['last_ticker'] = 'AMZN'
 # --- Custom CSS ---
 st.markdown("""
     <style>
@@ -73,7 +85,8 @@ st.markdown("""
         section[data-testid="stSidebar"] {
             backdrop-filter: blur(10px);
             background: rgba(255, 255, 255, 0.15);
-            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.03);
+            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.01);
+            height:100px;
 
         [data-testid="stSidebar"] h2 {
             color: #FFFFFF; /* White headers in the sidebar */
@@ -153,6 +166,8 @@ def get_stock_data(ticker):
     start_date = end_date - timedelta(days=4 * 365)
     print(f"Fetching data for ticker: {ticker} from {start_date.date()} to {end_date.date()}")
     data = yf.download(ticker, period="4y", multi_level_index=False)
+    data.to_csv("AMZN_data.csv")
+
     if data.empty:
         print(f"No data found for ticker: {ticker}")
         return None
@@ -204,23 +219,12 @@ def predict_with_model(data: pd.DataFrame, n_days: int, model_path: str, model_t
     return prediction_df
 
 
-# --- Streamlit Session State Initialization ---
-if 'run_button_clicked' not in st.session_state:
-    st.session_state.run_button_clicked = False
-if 'loading' not in st.session_state:
-    st.session_state.loading = False
-if 'data' not in st.session_state:
-    st.session_state.data = None
-if 'predictions' not in st.session_state:
-    st.session_state.predictions = None
-if 'error' not in st.session_state:
-    st.session_state.error = None
 
 # --- Streamlit Sidebar Controls ---
 with st.sidebar:
     st.image("logo2.png", use_container_width=True)
     st.markdown("Dashboard Controls")
-    ticker = st.text_input("Stock Ticker", st.session_state.get('last_ticker', "AMZN"),disabled=True).upper()
+    ticker = st.text_input("Stock Ticker", st.session_state.get('last_ticker', "AMZN"), disabled=True).upper()
     model_type = st.selectbox(
         "Prediction Model",
         ("Bi-Directional LSTM", "Gated Recurrent Unit (GRU)"),
@@ -259,6 +263,7 @@ if st.session_state.run_button_clicked:
             else:
                 st.session_state.data = get_stock_data(ticker)
             
+            
             if st.session_state.data is None:
                 st.session_state.error = f"Could not fetch data for ticker '{ticker}'. It may be an invalid symbol or network issue."
             else: