docs: def get_orga(self, orgaPk):
          """Return an organization speficied with orgaPk"""
          r = self._request('orga/' + str(orgaPk))
          if r:
              # Set base properties and copy data inside the orga
              o = Orga()
              o.pk = o.id = orgaPk
              o.__dict__.update(r.json())
              return o
          return None