code: def run(path, code=None, params=None, **meta):
          
          tree = compile(code, path, "exec", ast.PyCF_ONLY_AST)
  
          McCabeChecker.max_complexity = int(params.get('complexity', 10))
          return [
              {'lnum': lineno, 'offset': offset, 'text': text, 'type': McCabeChecker._code}
              for lineno, offset, text, _ in McCabeChecker(tree, path).run()
          ]
docs: MCCabe code checking.
  
          :return list: List of errors.