fix slot, test=develop (#38738)

paddle/fluid/pybind/eager.cc

@@ -741,6 +741,10 @@ extern struct PyGetSetDef variable_properties[];
 
 extern PyMethodDef variable_methods[];
 
+PyNumberMethods number_methods;
+PySequenceMethods sequence_methods;
+PyMappingMethods mapping_methods;
+
 PyTypeObject eager_tensor_type = {
     PyVarObject_HEAD_INIT(NULL, 0) "core_avx.eager.EagerTensor", /* tp_name */
     sizeof(EagerTensorObject),       /* tp_basicsize */
@@ -751,9 +755,9 @@ PyTypeObject eager_tensor_type = {
     0,                               /* tp_setattr */
     0,                               /* tp_reserved */
     0,                               /* tp_repr */
-    0,                               /* tp_as_number */
-    0,                               /* tp_as_sequence */
-    0,                               /* tp_as_mapping */
+    &number_methods,                 /* tp_as_number */
+    &sequence_methods,               /* tp_as_sequence */
+    &mapping_methods,                /* tp_as_mapping */
     0,                               /* tp_hash  */
     0,                               /* tp_call */
     0,                               /* tp_str */