Hi, yes I did like many other guys. Just replacing the inner tube solved the problem in my case (michelin B6 air stop).
https://www.alltricks.fr/F-32738-chambres-a-air/P-293884-chambre_a_air_michelin_b6_airstop_27_5x2_35_3_00_presta_40mm
Hy, did you try to pass the cable inside the seat tube? I did it for my tail light fixed under the seat (just drilled on the tube to let the cable out to the light. Don't know if the existing hole in the frame (giving acces to the motor where I plugged my light) is large enough for the sheath...