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https://issues.apache.org/jira/browse/AIRFLOW-6192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ash Berlin-Taylor resolved AIRFLOW-6192.
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    Resolution: Fixed

> Stop creating Hook from SFTPSensor.__init__
> -------------------------------------------
>
>                 Key: AIRFLOW-6192
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-6192
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: contrib
>    Affects Versions: 1.10.6
>            Reporter: Kaxil Naik
>            Assignee: Kaxil Naik
>            Priority: Minor
>             Fix For: 1.10.7
>
>
> From Slack 
> (https://apache-airflow.slack.com/archives/CCQ7EGB1P/p1575647500146200):
> When I create a task based upon the SFTPSensor and then parse the Python 
> file, do I see two log entries coming from base_hook.py referencing the 
> default sftp connection id?  I also see the same log messages whenever the 
> DAGs are refreshed.
> {noformat}
> airflow@0030a4ae49df:~$ python dags/sftp_sensor.py 
> [2019-12-06 15:45:16,440] {{settings.py:252}} INFO - 
> settings.configure_orm(): Using pool settings. pool_size=5, max_overflow=10, 
> pool_recycle=1800, pid=9685
> /usr/local/lib/python3.7/site-packages/psycopg2/__init__.py:144: UserWarning: 
> The psycopg2 wheel package will be renamed from release 2.8; in order to keep 
> installing from binary please use "pip install psycopg2-binary" instead. For 
> details see: 
> <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>.
>   """)
> [2019-12-06 15:45:17,535] {{base_hook.py:84}} INFO - Using connection to: id: 
> sftp_default. Host: localhost, Port: 22, Schema: None, Login: airflow, 
> Password: None, extra: {'key_file': '~/.ssh/id_rsa', 'no_host_key_check': 
> True}
> [2019-12-06 15:45:17,539] {{base_hook.py:84}} INFO - Using connection to: id: 
> sftp_default. Host: localhost, Port: 22, Schema: None, Login: airflow, 
> Password: None, extra: {'key_file': '~/.ssh/id_rsa', 'no_host_key_check': 
> True}
> airflow@0030a4ae49df:~$ airflow list_dags
> [2019-12-06 15:47:43,529] {{settings.py:252}} INFO - 
> settings.configure_orm(): Using pool settings. pool_size=5, max_overflow=10, 
> pool_recycle=1800, pid=11223
> /usr/local/lib/python3.7/site-packages/psycopg2/__init__.py:144: UserWarning: 
> The psycopg2 wheel package will be renamed from release 2.8; in order to keep 
> installing from binary please use "pip install psycopg2-binary" instead. For 
> details see: 
> <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>.
>   """)
> [2019-12-06 15:47:44,631] {{__init__.py:51}} INFO - Using executor 
> LocalExecutor
> [2019-12-06 15:47:44,631] {{dagbag.py:92}} INFO - Filling up the DagBag from 
> /usr/local/airflow/dags
> [2019-12-06 15:47:48,998] {{base_hook.py:84}} INFO - Using connection to: id: 
> sftp_default. Host: localhost, Port: 22, Schema: None, Login: airflow, 
> Password: None, extra: {'key_file': '~/.ssh/id_rsa', 'no_host_key_check': 
> True}
> [2019-12-06 15:47:49,005] {{base_hook.py:84}} INFO - Using connection to: id: 
> sftp_default. Host: localhost, Port: 22, Schema: None, Login: airflow, 
> Password: None, extra: {'key_file': '~/.ssh/id_rsa', 'no_host_key_check': 
> True}
> {noformat}
> This is on v1.10.6 



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