Can you identify this shrub or tree?

eyecatchercwd

Does anyone know what this is and what pruning should be done ?

Silver surfer

Possibly Ribes sp.

Cambridgerose12

Because of the flowers, I'll take a bet on Physocarpus opulifolius. If it is, then it's a trouble-free shrub--best to prune in spring, and remove one third of the old growth once it's reached a decent size.