Fixed missing input for conv

aidge_core/unit_tests/test_impl.py

@@ -52,6 +52,7 @@ class test_OperatorImpl(unittest.TestCase):
         self.assertTrue("cpu" in aidge_core.get_keys_ConvOp2D())
         conv = aidge_core.Conv2D(2,2,[1,1], name="Conv0")
         conv.get_operator().set_backend("cpu")
+        conv.get_operator().set_input(0, aidge_core.Tensor(np.arange(9).reshape(1,1,3,3)))
         conv.get_operator().forward()
         self.assertEqual(GLOBAL_CPT, 1)
 
@@ -65,6 +66,7 @@ class test_OperatorImpl(unittest.TestCase):
         conv = aidge_core.Conv2D(2,2,[1,1], name="Conv0")
         model = aidge_core.sequential([conv])
         model.set_backend("cpu")
+        conv.get_operator().set_input(0, aidge_core.Tensor(np.arange(9).reshape(1,1,3,3)))
         conv.get_operator().forward()
         self.assertEqual(GLOBAL_CPT, 1)