Hand break left on when changing rear pads/ disks

[Wibrew cup]

Half way threw changing the rear disks and pads on the car got as far as winding the piston back in and realaises I had left the hand break on will this cause me any issues?

 

[DrR]

Does everything work as it should now? Or is it brakeden?

 

[Wibrew cup]

Iv left it for the time being got my property being valued at 3 hopefully it's worth more than I think might be able to afford a mechanic haha

 

[JB21]

Just release the handbrake and crack on.