bug fixing

src/crewai/agents/executor.py

@@ -13,7 +13,7 @@ from langchain_core.utils.input import get_color_mapping
 from pydantic import InstanceOf
 
 from crewai.agents.tools_handler import ToolsHandler
-from crewai.tools.tool_usage import ToolUsage
+from crewai.tools.tool_usage import ToolUsage, ToolUsageErrorException
 from crewai.utilities import I18N
 
 
@@ -111,13 +111,19 @@ class CrewAgentExecutor(AgentExecutor):
                 callbacks=run_manager.get_child() if run_manager else None,
                 **inputs,
             )
+
             if self._should_force_answer():
-                if isinstance(output, AgentAction) or isinstance(output, AgentFinish):
+                if isinstance(output, AgentFinish):
+                    yield output
+                    return
+
+                if isinstance(output, AgentAction):
                     output = output
                 else:
                     raise ValueError(
                         f"Unexpected output type from agent: {type(output)}"
                     )
+
                 yield AgentStep(
                     action=output, observation=self._i18n.errors("force_final_answer")
                 )
@@ -192,6 +198,9 @@ class CrewAgentExecutor(AgentExecutor):
             )
             tool_calling = tool_usage.parse(agent_action.log)
 
+            if isinstance(tool_calling, ToolUsageErrorException):
+                observation = tool_calling.message
+            else:
                 if tool_calling.tool_name.lower().strip() in [
                     name.lower().strip() for name in name_to_tool_map
                 ]:

src/crewai/agents/tools_handler.py

@@ -18,7 +18,6 @@ class ToolsHandler:
 
     def on_tool_use(self, calling: ToolCalling, output: str) -> Any:
         """Run when tool ends running."""
-        print(f"Tool {calling.tool_name} has been used.")
         self.last_used_tool = calling
         if calling.tool_name != CacheTools().name:
             self.cache.add(

src/crewai/task.py

@@ -114,7 +114,7 @@ class Task(BaseModel):
             for task in self.context:
                 if task.async_execution:
                     task.thread.join()
-                context.append(task.output.result)
+                context.append(task.output.raw_output)
             context = "\n".join(context)
 
         tools = tools or self.tools

src/crewai/tools/tool_calling.py

@@ -1,4 +1,4 @@
-from typing import Any, Dict
+from typing import Any, Dict, Optional
 
 from pydantic import BaseModel as PydanticBaseModel
 from pydantic import Field as PydanticField
@@ -7,7 +7,7 @@ from pydantic.v1 import BaseModel, Field
 
 class ToolCalling(BaseModel):
     tool_name: str = Field(..., description="The name of the tool to be called.")
-    arguments: Dict[str, Any] = Field(
+    arguments: Optional[Dict[str, Any]] = Field(
         ..., description="A dictinary of arguments to be passed to the tool."
     )
 
@@ -16,6 +16,6 @@ class InstructorToolCalling(PydanticBaseModel):
     tool_name: str = PydanticField(
         ..., description="The name of the tool to be called."
     )
-    arguments: Dict = PydanticField(
+    arguments: Optional[Dict[str, Any]] = PydanticField(
         ..., description="A dictinary of arguments to be passed to the tool."
     )

src/crewai/tools/tool_usage.py

@@ -113,7 +113,10 @@ class ToolUsage:
 
         if not result:
             try:
+                if calling.arguments:
                     result = tool._run(**calling.arguments)
+                else:
+                    result = tool._run()
             except Exception as e:
                 self._run_attempts += 1
                 if self._run_attempts > self._max_parsing_attempts:
@@ -206,6 +209,7 @@ class ToolUsage:
                     ),
                 )
                 calling = instructor.to_pydantic()
+
             else:
                 parser = ToolOutputParser(pydantic_object=ToolCalling)
                 prompt = PromptTemplate(
@@ -234,7 +238,7 @@ class ToolUsage:
                 self._telemetry.tool_usage_error(llm=self.llm)
                 self._printer.print(content=f"\n\n{e}\n", color="red")
                 return ToolUsageErrorException(
-                    f'{self._i18n.errors("tool_usage_error")}.\n{self._i18n.slice("format").format(tool_names=self.tools_names)}'
+                    f'{self._i18n.errors("tool_usage_error")}\n{self._i18n.slice("format").format(tool_names=self.tools_names)}'
                 )
             return self._tool_calling(tool_string)
 

src/crewai/utilities/prompts.py

@@ -15,12 +15,7 @@ class Prompts(BaseModel):
 
     def task_execution_with_memory(self) -> BasePromptTemplate:
         """Generate a prompt for task execution with memory components."""
-        slices = ["role_playing"]
-        if len(self.tools) > 0:
-            slices.append("tools")
-        else:
-            slices.append("no_tools")
-        slices.extend(["memory", "task"])
+        slices = ["role_playing", "tools", "memory", "task"]
         return self._build_prompt(slices)
 
     def task_execution_without_tools(self) -> BasePromptTemplate:
@@ -29,12 +24,7 @@ class Prompts(BaseModel):
 
     def task_execution(self) -> BasePromptTemplate:
         """Generate a standard prompt for task execution."""
-        slices = ["role_playing"]
-        if len(self.tools) > 0:
-            slices.append("tools")
-        else:
-            slices.append("no_tools")
-        slices.append("task")
+        slices = ["role_playing", "tools", "task"]
         return self._build_prompt(slices)
 
     def _build_prompt(self, components: list[str]) -> BasePromptTemplate: