我正在尝试一个部署脚本，该脚本需要导入 boto3，当我运行该脚本时，它给了我错误消息：
ImportError: No module named boto3
然后我跑了：
pip install boto3
它返回：
Requirement already satisfied: boto3 in /usr/local/lib/python3.7/site-packages (1.9.228)
Requirement already satisfied: jmespath<1.0.0,>=0.7.1 in /Users/xiaoyiliu/Library/Python/3.7/lib/python/site-packages (from boto3) (0.9.4)
Requirement already satisfied: s3transfer<0.3.0,>=0.2.0 in /Users/xiaoyiliu/Library/Python/3.7/lib/python/site-packages (from boto3) (0.2.1)
Requirement already satisfied: botocore<1.13.0,>=1.12.228 in /usr/local/lib/python3.7/site-packages (from boto3) (1.12.228)
Requirement already satisfied: docutils<0.16,>=0.10 in /Users/xiaoyiliu/Library/Python/3.7/lib/python/site-packages (from botocore<1.13.0,>=1.12.228->boto3) (0.14)
Requirement already satisfied: python-dateutil<3.0.0,>=2.1; python_version >= "2.7" in /usr/local/lib/python3.7/site-packages (from botocore<1.13.0,>=1.12.228->boto3) (2.8.0)
Requirement already satisfied: urllib3<1.26,>=1.20; python_version >= "3.4" in /Users/xiaoyiliu/Library/Python/3.7/lib/python/site-packages (from botocore<1.13.0,>=1.12.228->boto3) (1.25.3)
Requirement …