message: python: do not clobber minalign when we create objects
diff: @@ -160,7 +160,6 @@ class Builder(object):
  # use 32-bit offsets so that arithmetic doesn't overflow.
  self.current_vtable = [0 for _ in range_func(numfields)]
  self.objectEnd = self.Offset()
  - self.minalign = 1
  self.nested = True
  def WriteVtable(self):
  