[BUG]Pydantic value error in the latest version

Description

It runs normally in version 0.63.6, but an error occurs when running in the latest version.

Steps to Reproduce

crewai run

Expected behavior

It runs normally in the latest version.

Screenshots/Code snippets

task.yaml:

assistant_task: description: > 获取que_id为1的{topic}数据 expected_output: > 获取{topic}数据 agent: assistant_agent

summary_task: description: > 用中文基于获取的{topic}数据进行全面准确的分析并尽量从多个维度进行总结 expected_output: > 不少于50个字中文总结 agent: summary_agent

################################################################

### custom_tool.py: from crewai_tools import BaseTool, tool import json import mysql.connector import pandas as pd

def get_json_by_mysql(sql): mysql_conn = mysql.connector.connect( host="xxx", database="xxx", user="xxx", password="xxx" ) cursor = mysql_conn.cursor() cursor.execute(sql) columns = [column[0] for column in cursor.description] data = [dict(zip(columns, row)) for row in cursor.fetchall()] cursor.close() mysql_conn.close() result = json.loads(json.dumps(data, indent=4, default=str, ensure_ascii=False)) return result

def get_meta_list(obj, key): result = [] for item in obj: for k, v in item.items(): if k == key: result.append(v) return result

@tool("获取数据工具") def dataframe_tool(que_id: int): """根据给定的que_id获取数据""" sql = f"select query_result from supersonic-dev.s2_chat_query where question_id = {que_id}" query_result = get_json_by_mysql(sql)[0]["query_result"] if len(query_result) == 0: raise Exception("query_result为空") query_result = json.loads(query_result) query_sql = query_result["querySql"] query_data = get_json_by_mysql(query_sql) query_columns = query_result["queryColumns"] col_names = get_meta_list(query_columns, "nameEn") col_notes = get_meta_list(query_columns, "name") df = pd.json_normalize(query_data, meta=col_names) df.columns = col_notes return df

####################################################################

### crew.py: from crewai import Agent, Crew, Process, Task from crewai.project import CrewBase, agent, crew, task from crew_template.tools.custom_tool import dataframe_tool from langchain_openai import AzureChatOpenAI, ChatOpenAI import os import litellm

os.environ["OPENAI_API_KEY"] = "xxx" os.environ["temperature"] = '0' litellm.api_base = "xxx"

@CrewBase class CrewTemplateCrew: """CrewTemplate crew""" agents_config = 'config/agents.yaml' tasks_config = 'config/tasks.yaml'

@agent
def assistant_agent(self) -> Agent:
    return Agent(
        config=self.agents_config['assistant_agent'],
        tools=[dataframe_tool],
        llm="openai/gpt-4o-mini",
        verbose=True
    )

@agent
def summary_agent(self) -> Agent:
    return Agent(
        config=self.agents_config['summary_agent'],
        llm="openai/gpt-4o-mini",
        verbose=True
    )

@task
def assistant_task(self) -> Task:
    return Task(
        config=self.tasks_config['assistant_task'],
    )

@task
def summary_task(self) -> Task:
    return Task(
        config=self.tasks_config['summary_task'],
        context=[self.assistant_task()],
    )

@crew
def crew(self) -> Crew:
    """Creates the CrewTemplate crew"""
    return Crew(
        agents=self.agents,
        tasks=self.tasks,
        process=Process.sequential,
        verbose=True,
    )

Operating System

Windows 10

Python Version

3.11

crewAI Version

0.64.0

crewAI Tools Version

0.12.1

Virtual Environment

Venv

Evidence

Traceback (most recent call last): File "", line 1, in File "D:\AIGC\idataai_py\test\crew_template\src\crew_template\main.py", line 18, in run CrewTemplateCrew().crew().kickoff(inputs=inputs) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\AIGC\idataai_py\test\crew_template\crewenv\Lib\site-packages\crewai\project\crew_base.py", line 51, in crew return Crew(agents=agents, tasks=tasks) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\AIGC\idataai_py\test\crew_template\crewenv\Lib\site-packages\pydantic\main.py", line 212, in init validated_self = self.__pydantic_validator__.validate_python(data, self_instance=self) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pydantic_core._pydantic_core.ValidationError: 1 validation error for Crew Value error, Task '用中文基于获取的{topic}数据进行全面准确的分析并尽量从多个维度进行总结 ' has a context dependency on a future task '获取que_id为1的{topic}数据 ', which is not allowed. [type=value_error, input_value={'agents': [Agent(role={t...=获取{topic}数据 )]}, input_type=dict] For further information visit https://errors.pydantic.dev/2.9/v/value_error An error occurred while running the crew: Command '['poetry', 'run', 'run_crew']' returned non-zero exit status 1.

Possible Solution

None

Additional context

None

crewAIInc / crewAI