import CosS3Client 报错

[gezsops]

安装：
C:\Python27>python -m pip install cos-python-sdk-v5
DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip, can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support
Requirement already satisfied: cos-python-sdk-v5 in c:\python27\lib\site-packages (1.9.0)
Requirement already satisfied: dicttoxml in c:\python27\lib\site-packages (from cos-python-sdk-v5) (1.7.4)
Requirement already satisfied: six in c:\python27\lib\site-packages (from cos-python-sdk-v5) (1.15.0)
Requirement already satisfied: requests>=2.8 in c:\python27\lib\site-packages (from cos-python-sdk-v5) (2.25.0)
Requirement already satisfied: pycryptodome in c:\python27\lib\site-packages (from cos-python-sdk-v5) (3.9.9)
Requirement already satisfied: crcmod in c:\python27\lib\site-packages (from cos-python-sdk-v5) (1.7)
Requirement already satisfied: certifi>=2017.4.17 in c:\python27\lib\site-packages (from requests>=2.8->cos-python-sdk-v5) (2020.11.8)
Requirement already satisfied: urllib3<1.27,>=1.21.1 in c:\python27\lib\site-packages (from requests>=2.8->cos-python-sdk-v5) (1.26.2)
Requirement already satisfied: idna<3,>=2.5 in c:\python27\lib\site-packages (from requests>=2.8->cos-python-sdk-v5) (2.10)
Requirement already satisfied: chardet<4,>=3.0.2 in c:\python27\lib\site-packages (from requests>=2.8->cos-python-sdk-v5) (3.0.4)

报错信息 ：
from qcloud_cos import CosS3Client
ImportError: cannot import name CosS3Client

[gezsops]

安装：
C:\Python27>python -m pip install cos-python-sdk-v5
DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip, can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support
Requirement already satisfied: cos-python-sdk-v5 in c:\python27\lib\site-packages (1.9.0)
Requirement already satisfied: dicttoxml in c:\python27\lib\site-packages (from cos-python-sdk-v5) (1.7.4)
Requirement already satisfied: six in c:\python27\lib\site-packages (from cos-python-sdk-v5) (1.15.0)
Requirement already satisfied: requests>=2.8 in c:\python27\lib\site-packages (from cos-python-sdk-v5) (2.25.0)
Requirement already satisfied: pycryptodome in c:\python27\lib\site-packages (from cos-python-sdk-v5) (3.9.9)
Requirement already satisfied: crcmod in c:\python27\lib\site-packages (from cos-python-sdk-v5) (1.7)
Requirement already satisfied: certifi>=2017.4.17 in c:\python27\lib\site-packages (from requests>=2.8->cos-python-sdk-v5) (2020.11.8)
Requirement already satisfied: urllib3<1.27,>=1.21.1 in c:\python27\lib\site-packages (from requests>=2.8->cos-python-sdk-v5) (1.26.2)
Requirement already satisfied: idna<3,>=2.5 in c:\python27\lib\site-packages (from requests>=2.8->cos-python-sdk-v5) (2.10)
Requirement already satisfied: chardet<4,>=3.0.2 in c:\python27\lib\site-packages (from requests>=2.8->cos-python-sdk-v5) (3.0.4)

报错信息 ：
from qcloud_cos import CosS3Client
ImportError: cannot import name CosS3Client