我正在尝试在 CentOS8 机器上安装 Airflow 2.0.1 和 ansible。Python 版本 3.8.1。我按照 Airflow 文档中的建议制作了 pip 20.2.4。
我正在使用 postgresql 并且airflow db check成功了。但 db init 任务给出以下错误。我airflow db init手动尝试过，但结果是一样的：
ERROR - Failed to add operation for GET /api/v1/connections
Traceback (most recent call last):
File "/opt/airflow/lib/python3.8/site-packages/connexion/apis/abstract.py", line 209, in add_paths
self.add_operation(path, method)
File "/opt/airflow/lib/python3.8/site-packages/connexion/apis/abstract.py", line 162, in add_operation
operation = make_operation(
File "/opt/airflow/lib/python3.8/site-packages/connexion/operations/__init__.py", line 8, in make_operation
return spec.operation_cls.from_spec(spec, *args, **kwargs)
File "/opt/airflow/lib/python3.8/site-packages/connexion/operations/openapi.py", line 128, in from_spec
return cls(
File "/opt/airflow/lib/python3.8/site-packages/connexion/operations/openapi.py", line 75, …我正在尝试预处理成人数据以进行分类。我使用 scikit-learn 处理分类属性。
from sklearn.preprocessing import LabelEncoder
labelencoder = LabelEncoder()
X[:,0] = labelencoder.fit_transform(X[:,0])
labelencoder.classes_
输出：
array(['Federal-gov', 'Local-gov', 'Private', 'Self-emp-inc',
'Self-emp-not-inc', 'State-gov', 'Without-pay'], dtype=object)
新内容：
X[:3]
array([[5, 'Bachelors', 'Under-Graduate', 'Never-married',
'Adm-clerical', 'Not-in-family', 'White', 'Male',
'United-States', 39.0, 77516.0, 13.0, 2174.0, 0.0, 40.0],
[4, 'Bachelors', 'Under-Graduate', 'Married-civ-spouse',
'Exec-managerial', 'Husband', 'White', 'Male', 'United-States',
50.0, 83311.0, 13.0, 0.0, 0.0, 13.0],
[2, 'HS-grad', 'HS-grad', 'Divorced', 'Handlers-cleaners',
'Not-in-family', 'White', 'Male', 'United-States', 38.0,
215646.0, 9.0, 0.0, 0.0, 40.0]], dtype=object)
一切都很好，直到这里。但我需要查看原始属性并尝试返回以下内容：
original = labelencoder.inverse_transform(X[:,0])
我收到此错误：
IndexError Traceback (most recent …