code: def get_type(name, library):
          
          if name == None:
              raise Exception("Class name cannot be null")
          if library == None:
              raise Exception("Module name cannot be null")
  
          try:
              module = importlib.import_module(library)
              return getattr(module, name)
          except:
             return None
docs: Gets object type by its name and library where it is defined.
  
          :param name: an object type name.
  
          :param library: a library where the type is defined
  
          :return: the object type or null is the type wasn't found.