message: Fix StructuredTensor.__repr__ format
diff: @@ -402,10 +402,8 @@ class StructuredTensor(composite_tensor.CompositeTensor):
  return self._fields[key[rank]].__getitem__(key[:rank] + key[rank + 1:])
  def __repr__(self):
  - if self._is_eager() and False:
  - return '<StructuredTensor %s>' % self.to_pyval()
  - else:
  - return 'StructuredTensor(%s, %r)' % (self._static_shape, self._fields)
  + return '<StructuredTensor(shape=%s, fields=%r)' % (self._static_shape,
  + self._fields)
  #=============================================================================
  # Conversion
  