revise csv

app.py

@@ -451,10 +451,10 @@ def calculate_geometry_metrics(file_url: str):
         centroid_point = centroid_gdf.centroid.item()
 
         data_row = (
-            f"{area_hectares, round(area_hectares, 4)},"
-            f"{perimeter_meters,round(perimeter_meters, 4)},"
-            f"{latitude, round(centroid_point.y, 4)},"
-            f"{longitude, round(centroid_point.x, 4)}"
+            f"area_hectares, {round(area_hectares, 4)},"
+            f"perimeter_meters, {round(perimeter_meters, 4)},"
+            f"latitude, {round(centroid_point.y, 4)},"
+            f"longitude, {round(centroid_point.x, 4)}"
         )
         csv_output = f"{data_row}"
         return Response(content=csv_output, media_type="text/csv")