Fix: Remove extra blank line in imports for test_hierarchical_delegation.py

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/test_hierarchical_delegation.py

@@ -1,6 +1,5 @@
 import pytest
 from unittest.mock import MagicMock
-
 from crewai import Agent, Crew, Process, Task
 from langchain_core.language_models.base import BaseLanguageModel