Removed default dtype

src/qibotn/MPSUtils.py

@@ -2,7 +2,7 @@ import cupy as cp
 from cuquantum.cutensornet.experimental import contract_decompose
 from cuquantum import contract
 
-def get_initial_mps(num_qubits, dtype='complex128'):
+def initial(num_qubits, dtype):
     """
     Generate the MPS with an initial state of |00...00> 
     """
@@ -75,4 +75,4 @@ def apply_gate(
             mps_site_right_swap(mps_tensors, i, algorithm=algorithm, options=options)
     else:
         raise NotImplementedError("Only one- and two-qubit gates supported")
-    return mps_tensors
+    return mps_tensors