Merge branch 'doc-fix' of https://github.com/qiboteam/qibotn into doc-fix

src/qibotn/mps_utils.py

@@ -3,9 +3,8 @@ from cuquantum import contract
 from cuquantum.cutensornet.experimental import contract_decompose
 
 
-
 def initial(num_qubits, dtype):
-    """Generate the MPS with an initial state of :math:`\ket{00...00}`"""
+    r"""Generate the MPS with an initial state of :math:`\ket{00...00}`"""
     state_tensor = cp.asarray([1, 0], dtype=dtype).reshape(1, 2, 1)
     mps_tensors = [state_tensor] * num_qubits
     return mps_tensors