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time.sleep(n)

Why does the following fail?

import time

def initialize(context):  
    pass  
def handle_data(context, data):  
    time.sleep(1)    # sleep 1 seconds  

Runtime error:
SecurityViolation: 0002 Security Violation(s): Accessing time.sleep raised an AttributeError. No attributes with a similar name were found. There was a runtime error on line 6.

3 responses

Quantopian prevents certain libraries from being used on Quantopian servers as a security measure, including this one.

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Thanks! Would be great if you could make the error message more straightforward.

"Quantopian prevents certain libraries from being used on Quantopian servers as a security measure, including this one."

Time is a whitelisted library, is sleep function specifically prohibited?