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Thanks for your reply. Infact, I solved this issue already. I copy the codes to run in Codebook, but it does not work, then I used Spyder to run these codes, it worked.
Thanks very much,
Can you share the documentation and sample code you are trying to run?
using Python to get ratings for a list of ISIN
Would Eikon API allow to download a universe of 80,000 companies with all historical ratings all at once