Fix lint and type checker issues

- Remove unused imports (pytest, Mock) from test file
- Add type ignore comment for ToolAnswerResult assignment

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

src/crewai/agent.py

@@ -478,7 +478,7 @@ class Agent(BaseAgent):
         for tool_result in self.tools_results:  # type: ignore # Item "None" of "list[Any] | None" has no attribute "__iter__" (not iterable)
             if tool_result.get("result_as_answer", False):
                 from crewai.tools.tool_types import ToolAnswerResult
-                result = ToolAnswerResult(tool_result["result"])
+                result = ToolAnswerResult(tool_result["result"])  # type: ignore
         crewai_event_bus.emit(
             self,
             event=AgentExecutionCompletedEvent(agent=self, task=task, output=result),

tests/test_result_as_answer_fix.py

@@ -1,5 +1,4 @@
-import pytest
-from unittest.mock import Mock, patch
+from unittest.mock import patch
 from crewai.agent import Agent
 from crewai.task import Task
 from crewai.tools.base_tool import BaseTool