diff --git a/examples/usecase/__init__.py b/examples/usecase/__init__.py
index 0ac2ddf53b0918a21c55a4b80f9839933d0e4cd6..bebaffa1f31fd8c1e8788ffc4a6f3aa3cf2efb9e 100644
--- a/examples/usecase/__init__.py
+++ b/examples/usecase/__init__.py
@@ -7,3 +7,4 @@ init file
 
 """
 
+from .usecase_function import plot_subplot
\ No newline at end of file