Assuming you are a non-resident of PA, that income is not taxable by PA.
PA Code Section 101.8 (e) states:
"Compensation for personal services rendered by a nonresident individual wholly without this Commonwealth is not taxable regardless of the fact that payment may be made from a point within this Commonwealth or that the employer is a resident individual, partnership or corporation."
https://www.law.cornell.edu/regulations/pennsylvania/61-Pa-Code-SS-101-8
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
