fix concat by adding []

app.py

@@ -88,7 +88,7 @@ def push_to_hf_dataset():
             print(f"[INFO] Loaded existing dataset with {len(existing_dataset)} entries")
             
             # Concatenate existing data with new data
-            combined_dataset = concatenate_datasets(existing_dataset, new_data)
+            combined_dataset = concatenate_datasets([existing_dataset, new_data])
             print(f"[INFO] Combined dataset now has {len(combined_dataset)} entries")
         except Exception as e:
             print(f"[INFO] No existing dataset found or error loading: {str(e)}")
@@ -110,7 +110,7 @@ def push_to_hf_dataset():
     
     except Exception as e:
         print(f"[ERROR] Failed to push dataset to Hugging Face: {str(e)}")
-
+        
 @spaces.GPU
 def translate_nano_large(text, model_name):
     """ Translation function for Nano and Large models """