scalping dash also works initially

training/enhanced_cnn_trainer.py

@@ -572,9 +572,17 @@ class EnhancedCNNTrainer:
     def get_model(self) -> EnhancedCNNModel:
         """Get the trained model"""
         return self.model
-
+    
+    def close_tensorboard(self):
+        """Close TensorBoard writer if it exists"""
+        if hasattr(self, 'writer') and self.writer:
+            try:
+                self.writer.close()
+            except:
+                pass
+    
     def __del__(self):
-        """Cleanup"""
+        """Cleanup when object is destroyed"""
         self.close_tensorboard()
 
 def main():