fix ms2.7 on GPU

mindtorch/_apis/cpu.py

@@ -3,12 +3,13 @@
 import math
 import numpy as np
 import mindspore
-from mindspore._c_expression import _empty_instance
+from mindspore.ops.auto_generate.gen_ops_prim import Empty
 import mindtorch
 from .._op_prim.cpu import legacy
 
+empty_op = Empty().set_device('CPU')
 def empty(size, dtype):
-    return _empty_instance(size, dtype=dtype, device='CPU')
+    return empty_op(size, dtype=dtype, device='CPU')
 
 def inplace_normal(input, mean, std, generator_):
     out = np.random.normal(mean, std, input.shape).astype(mindtorch.dtype2np[input.dtype])

mindtorch/_apis/gpu.py

@@ -1,9 +1,9 @@
 import numbers
 import math
+from packaging import version
 
 import numpy as np
 import mindspore
-from mindspore._c_expression import _empty_instance
 import mindtorch
 from .._op_prim.gpu import legacy
 

mindtorch/executor.py

@@ -1,8 +1,12 @@
 import mindtorch
 from .dispatcher import dispatcher
+from .configs import MS27
 
 def execute(func_name, *args, **kwargs):
     out, device = dispatcher.dispatch(func_name, *args, **kwargs)
+    # if MS27:
+    #     return out
+
     if not isinstance(out, (tuple, list)):
         out._device = device
     else: