update setup.py

tests/test_ifs_sim.py

@@ -35,9 +35,9 @@ class TestDemoFunction(unittest.TestCase):
         
         print(dir_path)
         
-        d=0
+        d=1
         
-        d=csst_ifs_sim(dir_path)
+        csst_ifs_sim(dir_path)
         
         self.assertEqual(
             d , 1,