code: def read_nums(self, f, n):
      _decode = self._decode
  
      for _ in xrange(n):
          yield _decode(f.read(self.size))
  
imports: from array import array
  from whoosh.compat import xrange
  from whoosh.system import emptybytes
  from whoosh.system import pack_byte, unpack_byte
  from whoosh.system import pack_ushort_le, unpack_ushort_le
  from whoosh.system import pack_uint_le, unpack_uint_le
label_desc: Use image node_id 2 for calling the FixedEncoding obj's underlying member method code with example usage: obj.read_nums(f, n) without return types