code: def get_libs_dir(self, arch):
          '''The libs dir for a given arch.'''
          ensure_dir(join(self.libs_dir, arch))
          return join(self.libs_dir, archf get_libs_dir(self, arch):
          '''The libs dir for a given arch.'''
          ensure_dir(join(self.libs_dir, arch))
          return join(self.libs_dir, arch)
docs: The libs dir for a given arch.