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https://issues.apache.org/jira/browse/AIRFLOW-2464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16474980#comment-16474980
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Matthew Bowden commented on AIRFLOW-2464:
-----------------------------------------

Update: It looks like the unit tests technically cover this case, since 
{{test_configuration.py}} is performing 
{code:java}
from airflow import configuration{code}
We're looking into why this was failing on our airflow cluster. 

> Unicode character in default_airflow.cfg
> ----------------------------------------
>
>                 Key: AIRFLOW-2464
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2464
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: configuration
>    Affects Versions: Airflow 2.0
>            Reporter: Matthew Bowden
>            Assignee: Matthew Bowden
>            Priority: Major
>
> {code:java}
> 2018-05-14T21:39:16.180900435Z Traceback (most recent call last):
> 2018-05-14T21:39:16.180950267Z File "/opt/airflow-venv/bin/airflow", line 21, 
> in <module>
> 2018-05-14T21:39:16.180958056Z from airflow import configuration
> 2018-05-14T21:39:16.180964143Z File 
> "/opt/airflow-venv/lib/python3.5/site-packages/airflow/__init__.py", line 35, 
> in <module>
> 2018-05-14T21:39:16.180971685Z from airflow import configuration as conf
> 2018-05-14T21:39:16.180988053Z File 
> "/opt/airflow-venv/lib/python3.5/site-packages/airflow/configuration.py", 
> line 110, in <module>
> 2018-05-14T21:39:16.180997872Z DEFAULT_CONFIG = f.read()
> 2018-05-14T21:39:16.181003351Z File 
> "/opt/airflow-venv/lib/python3.5/encodings/ascii.py", line 26, in decode
> 2018-05-14T21:39:16.181009074Z return codecs.ascii_decode(input, 
> self.errors)[0]
> 2018-05-14T21:39:16.181021048Z UnicodeDecodeError: 'ascii' codec can't decode 
> byte 0xe2 in position 18912: ordinal not in range(128){code}
> It appears that this commit introduced a unicode character into the 
> {{default_airflow.cfg}} file: 
> https://github.com/apache/incubator-airflow/commit/16bae5634df24132b37eb752fe816f51bf7e83ca.
>  This looks like it's a unicode apostrophe, and is causing the {{f.read()}} 
> call to crash. 



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