Context

from docarray import DocList, BaseDoc

docs = DocList[BaseDoc()]# 1

class MyDoc(BaseDoc):
    text: str

DocList[MyDoc][MyDoc] # 2

Both 1 and 2 lines should failed with a nice error message

description

DocList[X] should only accept BaseDoc class and should not be called twice

How to do it

This should be as easy as adding if else statement and raise properly error in this part of the codebase: