Change an exception return value to avoid an "umbiguous exception value" warning by Cython itself.

Cython/Compiler/ExprNodes.py

@@ -7250,8 +7250,8 @@ class AttributeNode(ExprNode):
                 code.put_incref_memoryviewslice(self.result(), self.type,
                                 have_gil=True)
 
-                T = "__pyx_memslice_transpose(&%s) == 0"
-                code.putln(code.error_goto_if(T % self.result(), self.pos))
+                T = "__pyx_memslice_transpose(&%s)" % self.result()
+                code.putln(code.error_goto_if_neg(T, self.pos))
             elif self.initialized_check:
                 code.putln(
                     'if (unlikely(!%s.memview)) {'

Cython/Utility/MemoryView.pyx

@@ -940,7 +940,7 @@ cdef char *pybuffer_index(Py_buffer *view, char *bufp, Py_ssize_t index,
 ### Transposing a memoryviewslice
 #
 @cname('__pyx_memslice_transpose')
-cdef int transpose_memslice({{memviewslice_name}} *memslice) nogil except 0:
+cdef int transpose_memslice({{memviewslice_name}} *memslice) nogil except -1:
     cdef int ndim = memslice.memview.view.ndim
 
     cdef Py_ssize_t *shape = memslice.shape
@@ -956,7 +956,7 @@ cdef int transpose_memslice({{memviewslice_name}} *memslice) nogil except 0:
         if memslice.suboffsets[i] >= 0 or memslice.suboffsets[j] >= 0:
             _err(PyExc_ValueError, "Cannot transpose memoryview with indirect dimensions")
 
-    return 1
+    return 0
 
 #
 ### Creating new memoryview objects from slices and memoryviews