diff --git a/src/crewai/tools/tool_usage.py b/src/crewai/tools/tool_usage.py
index 6715f5b08..cf175cea0 100644
--- a/src/crewai/tools/tool_usage.py
+++ b/src/crewai/tools/tool_usage.py
@@ -152,7 +152,7 @@ class ToolUsage:
     ) -> str:
         if self._check_tool_repeated_usage(calling=calling):
             try:
-                result = self._i18n.errors("task_repeated_usage").format(
+                repeated_result = self._i18n.errors("task_repeated_usage").format(
                     tool_names=self.tools_names
                 )
                 self._telemetry.tool_repeated_usage(
@@ -160,8 +160,8 @@ class ToolUsage:
                     tool_name=tool.name,
                     attempts=self._run_attempts,
                 )
-                result = self._format_result(result=result)
-                return result
+                repeated_result = self._format_result(result=repeated_result)
+                return repeated_result
 
             except Exception:
                 if self.task:
@@ -172,10 +172,12 @@ class ToolUsage:
         result: Optional[str] = None
 
         if self.tools_handler and self.tools_handler.cache:
-            result = self.tools_handler.cache.read(
+            cache_result = self.tools_handler.cache.read(
                 tool=calling.tool_name, input=calling.arguments
             )
-            from_cache = result is not None
+            if cache_result is not None:
+                result = cache_result
+                from_cache = True
 
         available_tool = next(
             (
@@ -276,12 +278,13 @@ class ToolUsage:
             result=result,
         )
 
-        if (
+        if available_tool is not None and (
             hasattr(available_tool, "result_as_answer")
             and available_tool.result_as_answer
         ):
             result_as_answer = available_tool.result_as_answer
-            data["result_as_answer"] = result_as_answer
+            if isinstance(result_as_answer, bool):
+                data["result_as_answer"] = result_as_answer
 
         if self.agent and hasattr(self.agent, "tools_results"):
             self.agent.tools_results.append(data)
diff --git a/tests/test_code_interpreter_tool.py b/tests/test_code_interpreter_tool.py
index 6b17152c4..1f65b5eab 100644
--- a/tests/test_code_interpreter_tool.py
+++ b/tests/test_code_interpreter_tool.py
@@ -1,14 +1,14 @@
 import pytest
-from unittest.mock import patch, MagicMock
-from typing import List, Dict, Any, Optional, Union
+from typing import Any, Dict, List, Optional, Union
+from unittest.mock import MagicMock, patch
 
-from crewai import Agent, Task, Crew
-from crewai.tools import BaseTool
+from crewai import Agent, Crew, Task
 from crewai.agents.tools_handler import ToolsHandler
-from crewai.tools.tool_usage import ToolUsage
 from crewai.tasks.task_output import TaskOutput
+from crewai.tools import BaseTool
 from crewai.tools.structured_tool import CrewStructuredTool
-from crewai.tools.tool_calling import ToolCalling, InstructorToolCalling
+from crewai.tools.tool_calling import InstructorToolCalling, ToolCalling
+from crewai.tools.tool_usage import ToolUsage
 
 
 class TestCodeInterpreterTool(BaseTool):