Revert "cleanup"

This reverts commit 7f5635fb9e.

src/crewai/tools/tool_usage.py

@@ -9,7 +9,10 @@ from crewai.agents.tools_handler import ToolsHandler
 from crewai.telemetry import Telemetry
 from crewai.tools.tool_calling import InstructorToolCalling, ToolCalling
 from crewai.utilities import I18N, Converter, ConverterError, Printer
-import agentops
+try:
+  import agentops
+except ImportError:
+  agentops = None
 
 OPENAI_BIGGER_MODELS = ["gpt-4"]