code: def get_category(category_id):
      
      try:
          res = _pybossa_req('get', 'category', category_id)
          if res.get('id'):
              return Category(res)
          else:
              return res
      except:  # pragma: no cover
          raise
docs: Return a PYBOSSA Category for the category_id.
  
      :param category_id: PYBOSSA Category ID
      :type category_id: integer
      :rtype: PYBOSSA Category
      :returns: A PYBOSSA Category object