Captcha-tensorflow licensing question

HI Jackson - we are interested in using captcha-tensorflow to train a classifier to read imprints that may be on user-provided drug images.  Can you tell me if we need a license agreement to use this?  In addition, can we use this for commercial use?
Many thanks for your assistance.  Please let me know if you need additional information or if you would like a quick call to discuss.

Lisa [sensitive info removed by moderator]

Hi @lisamiller22,

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