IMPURE_COMPUTE
What happened
compute() has to give the same signals every time it is run on the same bars. A call that reads the clock or makes random numbers inside it breaks that.
What to do
Use the bar times in d, and do random work in a hook with ctx.rng.
Example
text
strategy.py, line 18: compute() must give the same signals every time: time.time() reads the clock or makes random numbers. Use the bar times in d, and do random work in a hook with ctx.rng. [IMPURE_COMPUTE]The wording of the message depends on your file, and the code does not. An error stops the file from loading.