rename arg

src/qibo/backends/abstract.py

@@ -378,7 +378,7 @@ def calculate_singular_value_decomposition(self, matrix):  # pragma: no cover
 
     @abc.abstractmethod
     def calculate_jacobian_matrix(
-        self, circuit, parameters, complex: bool = True
+        self, circuit, parameters, return_complex: bool = True
     ):  # pragma: no cover
         """Calculate the Jacobian matrix of ``circuit`` with respect to varables ``params``."""
         raise_error(NotImplementedError)