Aws sam cli brew gdbm不存在或已损坏，无法在macos catalina上安装aws sam cli

关于以下方面的说明：

我找不到任何关于安装gdbm的信息……但希望更简单的方法是从瓶子里解决404&install问题。有什么见解吗？

安装程序的问题；看见想必会有解决办法；建议在该站点采取变通办法

    (venv) dougbergh@192 de % brew install aws-sam-cli
    Updating Homebrew...
    ==> Installing aws-sam-cli from aws/tap
    ==> Downloading https://github.com/awslabs/aws-sam-cli/releases/download/v0.48.0//aws-sam-cli-0.49.0.sierra.bottle.tar.gz
    #=#=-#  #                                                                     
    curl: (22) The requested URL returned error: 404 Not Found
    Error: Failed to download resource "aws-sam-cli"
    Download failed: https://github.com/awslabs/aws-sam-cli/releases/download/v0.48.0//aws-sam-cli-0.49.0.sierra.bottle.tar.gz
    Warning: Bottle installation failed: building from source.
    Error: An exception occurred within a child process:
      RuntimeError: /usr/local/opt/gdbm not present or broken
    Please reinstall gdbm. Sorry :(
    (venv) dougbergh@192 de % python --version
    Python 3.8.1