Keyerror问题：Python 调用billing模块的KeyError提示

[David-metromouse]

~ $ pip install volcengine-python-sdk --no-cache-dir
Collecting volcengine-python-sdk
Downloading volcengine_python_sdk-5.0.26-py2.py3-none-any.whl.metadata (8.4 kB) Requirement already satisfied: certifi>=2017.4.17 in /data/data/com.termux/files/usr/lib/python3.13/site-packages (from volcengine-python-sdk) (2026.2.25) Requirement already satisfied: python-dateutil>=2.1 in /data/data/com.termux/files/usr/lib/python3.13/site-packages (from volcengine-python-sdk) (2.9.0.post0) Requirement already satisfied: six>=1.16 in /data/data/com.termux/files/usr/lib/python3.13/site-packages (from volcengine-python-sdk) (1.17.0)
Requirement already satisfied: urllib3>=1.26.5 in /data/data/com.termux/files/usr/lib/python3.13/site-packages (from volcengine-python-sdk) (2.6.3) Downloading volcengine_python_sdk-5.0.26-py2.py3-none-any.whl (34.4 MB) ━━━━━━━━━━━━━━━━━━━━ 34.4/34.4 MB 10.9 MB/s 0:00:03
Installing collected packages: volcengine-python-sdk Successfully installed volcengine-python-sdk-5.0.26
~ $ rm -rf 2-config.py ~ $ nano 2-config.py ~ $ python 2-config.py ❌ SDK 调用失败: '.models'
~ $ python 2-config.py
❌ SDK 调用失败: '.models'
~ $ nano 2-config.py
~ $ cat 2-config.py
import os
import volcenginesdkcore
import volcenginesdkbilling

ak = os.environ.get("VOLC_ACCESS_KEY")
sk = os.environ.get("VOLC_SECRET_KEY")

if not ak or not sk:
print("请设置环境变量 VOLC_ACCESS_KEY 和 VOLC_SECRET_KEY")
exit(1)

configuration = volcenginesdkcore.Configuration()
configuration.ak = ak
configuration.sk = sk
configuration.region = "cn-beijing" # 账单服务区域

api_client = volcenginesdkcore.ApiClient(configuration)
api_instance = volcenginesdkbilling.BILLINGApi(api_client)

try:
resp = api_instance.query_balance_acct({})
print("✅ SDK 调用成功")
print(resp)
except Exception as e:
print(f"❌ SDK 调用失败: {e}")
~ $ nano 2-config.py ~ $ cat 2-config.py
import os
import volcenginesdkcore
import volcenginesdkbilling

ak = os.environ.get("VOLC_ACCESS_KEY")
sk = os.environ.get("VOLC_SECRET_KEY")

if not ak or not sk:
print("请设置环境变量 VOLC_ACCESS_KEY 和 VOLC_SECRET_KEY")
exit(1)

configuration = volcenginesdkcore.Configuration()
configuration.ak = ak
configuration.sk = sk
configuration.region = "cn-beijing" # 账单服务区域

api_client = volcenginesdkcore.ApiClient(configuration)
api_instance = volcenginesdkbilling.BILLINGApi(api_client)

resp = api_instance.query_balance_acct({})
print(resp)
~ $ python 2-config.py
Traceback (most recent call last):
File "/data/data/com.termux/files/home/2-config.py", line 21, in
resp = api_instance.query_balance_acct({})
File "/data/data/com.termux/files/usr/lib/python3.13/site-packages/volcenginesdkbilling/api/billing_api.py", line 4225, in query_balance_acct
(data) = self.query_balance_acct_with_http_info(body, **kwargs) # noqa: E501
File "/data/data/com.termux/files/usr/lib/python3.13/site-packages/volcenginesdkbilling/api/billing_api.py", line 4288, in query_balance_acct_with_http_info
return self.api_client.call_api(
~~~~~~~~~~~~~~~~~~~~~~~~^
'/QueryBalanceAcct/2022-01-01/billing/post/application_json/', 'POST',
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...<11 lines>...
_request_timeout=params.get('_request_timeout'),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
collection_formats=collection_formats)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/data/data/com.termux/files/usr/lib/python3.13/site-packages/volcenginesdkcore/api_client.py", line 229, in call_api
return self.__call_api(resource_path, method,
~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
path_params, query_params, header_params,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...<2 lines>...
_return_http_data_only, collection_formats,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_preload_content, _request_timeout)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/data/data/com.termux/files/usr/lib/python3.13/site-packages/volcenginesdkcore/api_client.py", line 165, in __call_api
interceptor_context = self.interceptor_chain.execute_response(interceptor_context)
File "/data/data/com.termux/files/usr/lib/python3.13/site-packages/volcenginesdkcore/interceptor/chain.py", line 61, in execute_response
context = interceptor.intercept(context)
File "/data/data/com.termux/files/usr/lib/python3.13/site-packages/volcenginesdkcore/interceptor/interceptors/deserialized_response_interceptor.py", line 25, in intercept
dresponse = self.deserialize(context.response.http_response, context.request.response_type,
context.request.md)
File "/data/data/com.termux/files/usr/lib/python3.13/site-packages/volcenginesdkcore/interceptor/interceptors/deserialized_response_interceptor.py", line 78, in deserialize

resp_model = self.__deserialize(data, response_type, service)

File "/data/data/com.termux/files/usr/lib/python3.13/site-packages/volcenginesdkcore/interceptor/interceptors/deserialized_response_interceptor.py", line 147, in __deserialize
klass = getattr(sys.modules[service + ".models"], klass
~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
KeyError: '.models'
我用的是termux 0.118.1，Python版本3.13.13，碰到了这个问题