fix: change the order or the inheritance to impose the correct __mro__

src/qibotn/backends/abstract.py

@@ -20,10 +20,16 @@ class QibotnBackend(ABC):
     def set_precision(self, precision):
         if precision != self.precision:
             super().set_precision(precision)
+        self._setup_backend_specifics()
 
     def set_device(self, device):
         self.device = device
+        self._setup_backend_specifics()
 
     def configure_tn_simulation(self, **config):
         """Configure the TN simulation that will be performed."""
         pass
+
+    def _setup_backend_specifics(self):
+        """Configure the backend specific according to the used package."""
+        pass