Environment

• Hardware Environment(Ascend/GPU/CPU):

Uncomment only one /device <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/device ascend
/device gpu
/device cpu

• Software Environment:
  -- MindSpore version (source or binary):
  -- Python version (e.g., Python 3.7.5):
  -- OS platform and distribution (e.g., Linux Ubuntu 16.04):
  -- GCC/Compiler version (if compiled from source):

Related testcase

Steps to reproduce the issue

from mindquantum import qft, Simulator
sim = Simulator('projectq', 2)
sim.apply_circuit(qft(range(2)))
print(sim.get_qs(ket=1))

Describe the current behavior

Simulator，get_qs(ket=False)，没有类型校验

Describe the expected behavior

有类型校验

Related log / screenshot

memory overflow during save or load checkpoint file.
[INFO] PARALLEL(41887,7f2d61a8c740,python):2021-12-09-17:38:39.836.534 [mindspore/ccsrc/frontend/parallel/costmodel_context.cc:30] GetInstance] Create costmodel_context
[INFO] CORE(41887,7f2d61a8c740,python):2021-12-09-17:38:39.844.599 [mindspore/core/utils/ms_context.h:233] set_param<std::__cxx11::basic_string >] ms set context device target:CPU
[INFO] CORE(41887,7f2d61a8c740,python):2021-12-09-17:38:39.929.307 [mindspore/core/utils/ms_context.cc:119] set_backend_policy] ms set context backend policy:ms
1/2¦00⟩
1/2¦01⟩
1/2¦10⟩
1/2¦11⟩
[INFO] PIPELINE(41887,7f2d61a8c740,python):2021-12-09-17:38:40.632.312 [mindspore/ccsrc/pipeline/jit/init.cc:323] operator()] Start releasing dataset handles...
[INFO] PIPELINE(41887,7f2d61a8c740,python):2021-12-09-17:38

Special notes for this issue