fix: Correctly load the Keras model from a zip file

frontend/app.py

@@ -56,13 +56,16 @@ st.title("Medi Scape Dashboard")
 # --- Session State Initialization ---
 if 'disease_model' not in st.session_state:
     try:
-        model_path = 'FINAL_MODEL.keras'  # Updated path
+        model_path = 'FINAL_MODEL.zip'  # Updated path to zip file
         print(f"Attempting to load disease model from: {model_path}")
         print(f"Model file exists: {os.path.exists(model_path)}") 
-        st.session_state.disease_model = tf.keras.models.load_model(model_path)
+        with tf.keras.utils.get_file('FINAL_MODEL.keras', model_path, extract=True) as extracted_model_path:
+            model_dir = os.path.dirname(extracted_model_path)
+            model_path = os.path.join(model_dir, 'FINAL_MODEL.keras')
+            st.session_state.disease_model = tf.keras.models.load_model(model_path)
         print("Disease model loaded successfully!")
     except FileNotFoundError:
-        st.error("Disease classification model not found. Please ensure 'FINAL_MODEL.keras' is in the same directory as this app.")
+        st.error("Disease classification model not found. Please ensure 'FINAL_MODEL.zip' is in the same directory as this app.")
         st.session_state.disease_model = None
     except PermissionError:
         st.error("Permission error accessing 'model.weights.h5'. Please ensure the file is not being used by another process.")
@@ -101,9 +104,13 @@ if 'model_llm' not in st.session_state:
 
 # Load the disease classification model
 try:
-    disease_model = tf.keras.models.load_model('FINAL_MODEL.keras')  # Updated path
+    model_path = 'FINAL_MODEL.zip'  # Updated path to zip file
+    with tf.keras.utils.get_file('FINAL_MODEL.keras', model_path, extract=True) as extracted_model_path:
+        model_dir = os.path.dirname(extracted_model_path)
+        model_path = os.path.join(model_dir, 'FINAL_MODEL.keras')
+        disease_model = tf.keras.models.load_model(model_path)
 except FileNotFoundError:
-    st.error("Disease classification model not found. Please ensure 'FINAL_MODEL.keras' is in the same directory as this app.")
+    st.error("Disease classification model not found. Please ensure 'FINAL_MODEL.zip' is in the same directory as this app.")
     disease_model = None
 except PermissionError:
     st.error("Permission error accessing 'model.weights.h5'. Please ensure the file is not being used by another process.")