call with `kernprof -lv profiling_pydantic.py`, doesn't seem to work with cythonized source

profiling_pydantic.py

import json
from datetime import datetime
from pathlib import Path
from typing import List

from pydantic import BaseModel, PositiveInt, compiled, constr, version, validate_model
from pydantic.validators import _VALIDATORS, IfConfig

print(f'pydantic {version.VERSION}, compiled: {compiled}')


class Model(BaseModel):
    id: int
    client_name: constr(max_length=255)
    sort_index: float
    # client_email: EmailStr = None
    client_phone: constr(max_length=255) = None

    class Location(BaseModel):
        latitude: float = None
        longitude: float = None
    location: Location = None

    contractor: PositiveInt = None
    upstream_http_referrer: constr(max_length=1023) = None
    grecaptcha_response: constr(min_length=20, max_length=1000)
    last_updated: datetime = None

    class Skill(BaseModel):
        subject: str
        subject_id: int
        category: str
        qual_level: str
        qual_level_id: int
        qual_level_ranking: float = 0
    skills: List[Skill] = []


THIS_DIR = Path(__file__).parent
json_path = THIS_DIR / 'benchmarks' / 'cases.json'
with json_path.open() as f:
    cases = json.load(f)

for field in Model.__fields__.values():
    profile.add_function(field.validate)
    profile.add_function(field._validate_singleton)
    profile.add_function(field._apply_validators)
    for v in field.validators:
        profile.add_function(v)

for val_type, validators in _VALIDATORS:
    for v in validators:
        if isinstance(v, IfConfig):
            profile.add_function(v.validator)
        else:
            profile.add_function(v)


@profile
def run():
    for case in cases:
        validate_model(Model, case, raise_exc=False)

# profile.add_function(validate_model)
run()