feat: integrating qmatchatea SimulationResult in the circuit execution

src/qibotn/backends/__init__.py

@@ -2,10 +2,10 @@ from typing import Union
 
 from qibo.config import raise_error
 
-from qibotn.backends.cutensornet import CuTensorNet  # pylint: disable=E0401
-from qibotn.backends.quimb import QuimbBackend  # pylint: disable=E0401
-from qibotn.backends.qmatchatea import QMatchaTeaBackend # pylint: disable=E0401
 from qibotn.backends.abstract import QibotnBackend
+from qibotn.backends.cutensornet import CuTensorNet  # pylint: disable=E0401
+from qibotn.backends.qmatchatea import QMatchaTeaBackend  # pylint: disable=E0401
+from qibotn.backends.quimb import QuimbBackend  # pylint: disable=E0401
 
 QibotnBackend = Union[CuTensorNet, QuimbBackend, QMatchaTeaBackend]
 

src/qibotn/backends/abstract.py

@@ -1,8 +1,8 @@
 from abc import abstractmethod
+
 from qibo.backends.numpy import NumpyBackend
 from qibo.config import raise_error
 
-
 DEFAULT_CONFIGURATION = {
     "MPI_enabled": False,  # TODO: cutensornet specific, TBRemoved
     "NCCL_enabled": False,  # TODO: cutensornet specific, TBRemoved
@@ -14,7 +14,6 @@ DEFAULT_CONFIGURATION = {
 }
 
 
-
 class QibotnBackend(NumpyBackend):
 
     def __init__(self, runcard: dict = DEFAULT_CONFIGURATION):
@@ -37,5 +36,3 @@ class QibotnBackend(NumpyBackend):
     def configure_tn_simulation(self, **config):
         """Configure the TN simulation that will be performed."""
         pass
-
-    

src/qibotn/backends/cutensornet.py

@@ -82,7 +82,6 @@ class CuTensorNet(QibotnBackend):  # pragma: no cover
         if hasattr(self, "cutn"):
             self.cutn.destroy(self.handle)
 
-
     def cuda_type(self, dtype="complex64"):
         """Get CUDA Type.
 

src/qibotn/backends/quimb.py

@@ -1,4 +1,3 @@
-from qibo.backends.numpy import NumpyBackend
 from qibo.config import raise_error
 from qibo.result import QuantumState
 
@@ -38,7 +37,6 @@ class QuimbBackend(QibotnBackend):
         self.platform = "QuimbBackend"
         self.versions["quimb"] = self.quimb.__version__
 
-
     def execute_circuit(
         self, circuit, initial_state=None, nshots=None, return_array=False
     ):  # pragma: no cover