failing test solved

Author: Hadrien

tests/test_simulation.py

@@ -22,8 +22,7 @@ def test_simple_simulation(steppercls):
 @pytest.mark.parametrize("steppercls", [fl.simulations.EulerStepper])
 def test_simple_simulation2d(steppercls):
 
-    data = np.linspace(-1, 1, 24).reshape(-1, 2)
-    fun = fl.functions.Polynomial(deg=3, domain=fl.Domain.Rd(2)).fit(data, y=data)
+    fun = fl.functions.Polynomial(deg=3, domain=fl.Domain.Rd(2))
     model = fl.models.Overdamped(fun)
 
     simu_engine = fl.Simulator(steppercls(model), 1e-3)