[Python] How to set the running file path of jupyter in VScode?

When I use the jupyter extension in VScode and run a line of code in jupyter to save a file using relative path，I found the file(iris_tree.dot) in another file. It's just like i debug/run the code in another file path. How can I set the correct path of the jupyter runner?

#%%
from sklearn.tree import export_graphviz
export_graphviz(
tree_clf,
out_file="iris_tree.dot",
feature_names=iris.feature_names[2:],
class_names=iris.target_names,
rounded=True,
filled=True
)

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