code: def find_unique(self, product_type, short_name, include_hidden=False):
          
  
          prods = self.find_all(product_type, short_name, include_hidden)
  
          if len(prods) == 0:
              raise BuildError("Could not find product by name in find_unique", name=short_name, type=product_type)
  
          if len(prods) > 1:
              raise BuildError("Multiple providers of the same product in find_unique", name=short_name, type=product_type, products=prods)
  
          if self._tracking:
              self._resolved_products.append(prods[0])
  
          return prods[0]
docs: Find the unique provider of a given product by its short name.
  
          This function will ensure that the product is only provided by exactly
          one tile (either this tile or one of its dependencies and raise a
          BuildError if not.
  
          Args:
              product_type (str): The type of product that we are looking for, like
                  firmware_image, library etc.
              short_name (str): The short name of the product that we wish to find,
                  usually its os.path.basename()
              include_hidden (bool): Return products that are hidden and not selected
                  as visible in the depends section of this tile's module settings.
                  This defaults to False.
  
          Returns:
              ProductInfo: The information of the one unique provider of this product.