The issue described in #1557 still exists in IOMixin._get_access_paths, here is an example:
from typing import List
from docarray import BaseDoc, DocList
class TestDoc(BaseDoc):
topics: List[str]
dl = DocList[TestDoc]([TestDoc(topics=["a", "b"])])
dl.to_dataframe()Produces the following error:
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
Cell In[1], line 6
4 topics: List[str]
5 dl = DocList[TestDoc]([TestDoc(topics=["a", "b"])])
----> 6 dl.to_dataframe()
File ~/miniconda3/envs/test/lib/python3.11/site-packages/docarray/array/doc_list/io.py:542, in IOMixinArray.to_dataframe(self)
535 if self.doc_type == AnyDoc:
536 raise TypeError(
537 'DocList must be homogeneous to be converted to a DataFrame.'
538 'There is no document schema defined. '
539 'Please specify the DocList\'s Document type using `DocList[MyDoc]`.'
540 )
--> 542 fields = self.doc_type._get_access_paths()
543 df = pd.DataFrame(columns=fields)
545 for doc in self:
File ~/miniconda3/envs/test/lib/python3.11/site-packages/docarray/base_doc/mixins/io.py:397, in IOMixin._get_access_paths(cls)
395 for field in cls.__fields__.keys():
396 field_type = cls._get_field_type(field)
--> 397 if not is_union_type(field_type) and issubclass(field_type, BaseDoc):
398 sub_paths = field_type._get_access_paths()
399 for path in sub_paths:
File <frozen abc>:123, in __subclasscheck__(cls, subclass)
TypeError: issubclass() arg 1 must be a class```
Reactions are currently unavailable
The issue described in #1557 still exists in IOMixin._get_access_paths, here is an example:
Produces the following error:
--------------------------------------------------------------------------- TypeError Traceback (most recent call last) Cell In[1], line 6 4 topics: List[str] 5 dl = DocList[TestDoc]([TestDoc(topics=["a", "b"])]) ----> 6 dl.to_dataframe() File ~/miniconda3/envs/test/lib/python3.11/site-packages/docarray/array/doc_list/io.py:542, in IOMixinArray.to_dataframe(self) 535 if self.doc_type == AnyDoc: 536 raise TypeError( 537 'DocList must be homogeneous to be converted to a DataFrame.' 538 'There is no document schema defined. ' 539 'Please specify the DocList\'s Document type using `DocList[MyDoc]`.' 540 ) --> 542 fields = self.doc_type._get_access_paths() 543 df = pd.DataFrame(columns=fields) 545 for doc in self: File ~/miniconda3/envs/test/lib/python3.11/site-packages/docarray/base_doc/mixins/io.py:397, in IOMixin._get_access_paths(cls) 395 for field in cls.__fields__.keys(): 396 field_type = cls._get_field_type(field) --> 397 if not is_union_type(field_type) and issubclass(field_type, BaseDoc): 398 sub_paths = field_type._get_access_paths() 399 for path in sub_paths: File <frozen abc>:123, in __subclasscheck__(cls, subclass) TypeError: issubclass() arg 1 must be a class```