AttributeError: 'NoneType' object has no attribute 'is_list'
Expected behavior
class ProjectedPet(BaseModel):
id: Optional[int] = None
name: Optional[str] = None
tag: Optional[str] = None
opts: Optional[list[str]] = None
class Pet(ProjectedPet):
id: int
name: str
opts: list[str]
Version:
OS: MacOS 14.6.1
Python version: 3.11
datamodel-code-generator version: 0.25.9
Additional context
The traceback
Traceback (most recent call last):
File "/Users/user/work/issue-datamodel-code-generator/.venv/lib/python3.11/site-packages/datamodel_code_generator/__main__.py", line 445, in main
generate(
File "/Users/user/work/issue-datamodel-code-generator/.venv/lib/python3.11/site-packages/datamodel_code_generator/__init__.py", line 473, in generate
results = parser.parse()
^^^^^^^^^^^^^^
File "/Users/user/work/issue-datamodel-code-generator/.venv/lib/python3.11/site-packages/datamodel_code_generator/parser/base.py", line 1366, in parse
self.__collapse_root_models(
File "/Users/user/work/issue-datamodel-code-generator/.venv/lib/python3.11/site-packages/datamodel_code_generator/parser/base.py", line 1015, in __collapse_root_models
elif data_type.parent.is_list:
^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'is_list'
Describe the bug
Fail to generate python code with an
array
of$ref
from anallof
, anAttributeError
has been raised by the lib.If this is not a bug, please let me know if I'm doing something wrong.
To Reproduce
Example schema:
Used commandline:
Actual behavior
Expected behavior
Version:
Additional context
The traceback