Update crew.py

crew.py

@@ -11,7 +11,7 @@ from google import genai
 from google.genai import types
 from openinference.instrumentation.crewai import CrewAIInstrumentor
 from phoenix.otel import register
-from util import read_file, read_docx, is_ext
+from util import read_file, read_docx, read_pptx, is_ext
 
 ## LLMs