LOL - standard procedure is at the very least one month preferably 3 months, but if you think 10 days is good, well they are your snakes. I didn't assume anything, simply stated that any herp vet that would tell you its ok to house a snake with an unknow history with an established snake (without the appropriate quarantine period and tests) is in my book incompetent.
By the way two days in a separate cage is probably not enough time, when you move snakes out of their familiar environment, it takes them a while to settle in. Of course she could be hungry enough to eat, but don't expect it for a nother week or two.
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Tosha 
8.13.0 Ball Python (Harry and Fluffy and currently un-named)
0.2.0 Feline (Pippen and Pandora)
0.0.1 Dessert Tortoise (Pope)
7.9.5 Fish (1,2,3,4...)
0.0.1 Frog rescued from pool skimmer
0.0.2 Lizards rescued from pool skimmer