code: def typecode(self):
      if isinstance(self.array, array):
          return self.array.typecode
      else:
          return "q"
  
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 8 for calling the GrowableArray obj's underlying member method code with example usage: obj.typecode() and returns: self, str