adopted for python 3.5

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[sourcery-ai]

Sourcery Code Quality Report

✅  Merging this PR will increase code quality in the affected files by 0.88%.

Quality metrics	Before	After	Change
Complexity	3.19 ⭐	3.19 ⭐	0.00
Method Length	92.15 🙂	90.73 🙂	-1.42 👍
Working memory	15.91 ⛔	15.55 ⛔	-0.36 👍
Quality	59.18% 🙂	60.06% 🙂	0.88% 👍

Other metrics	Before	After	Change
Lines	1276	1303	27

Changed files	Quality Before	Quality After	Quality Change
setup.py	72.25% 🙂	76.21% ⭐	3.96% 👍
airflow_home/dags/01_session_example.py	51.20% 🙂	51.20% 🙂	0.00%
airflow_home/dags/02_session_example_load_from_file.py	73.96% 🙂	73.87% 🙂	-0.09% 👎
airflow_home/dags/03_batch_example.py	56.17% 🙂	56.17% 🙂	0.00%
airflow_home/dags/04_batch_example_failing.py	53.97% 🙂	53.97% 🙂	0.00%
airflow_home/dags/05_batch_example_verify_in_spark.py	55.01% 🙂	55.01% 🙂	0.00%
airflow_home/dags/06_batch_example_verify_in_yarn.py	55.01% 🙂	55.01% 🙂	0.00%
airflow_home/plugins/airflow_livy/batch.py	61.43% 🙂	62.31% 🙂	0.88% 👍
airflow_home/plugins/airflow_livy/session.py	60.25% 🙂	61.52% 🙂	1.27% 👍
batches/join_2_files.py	39.52% 😞	39.50% 😞	-0.02% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
airflow_home/plugins/airflow_livy/batch.py	LivyBatchOperator.__init__	3 ⭐	179 😞	34 ⛔	41.19% 😞	Try splitting into smaller methods. Extract out complex expressions
airflow_home/plugins/airflow_livy/session.py	LivySessionOperator.__init__	3 ⭐	172 😞	32 ⛔	41.99% 😞	Try splitting into smaller methods. Extract out complex expressions
airflow_home/plugins/airflow_livy/batch.py	LivyBatchOperator.submit_batch	2 ⭐	147 😞	35 ⛔	45.24% 😞	Try splitting into smaller methods. Extract out complex expressions
airflow_home/plugins/airflow_livy/session.py	LivySessionOperator.create_session	2 ⭐	144 😞	33 ⛔	45.71% 😞	Try splitting into smaller methods. Extract out complex expressions
airflow_home/plugins/airflow_livy/session.py	LivySessionOperator.execute	7 ⭐	160 😞	11 😞	53.10% 🙂	Try splitting into smaller methods. Extract out complex expressions

Legend and Explanation

The emojis denote the absolute quality of the code:

• ⭐ excellent
• 🙂 good
• 😞 poor
• ⛔ very poor

The 👍 and 👎 indicate whether the quality has improved or gotten worse with this pull request.

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Please see our documentation here for details on how these metrics are calculated.

We are actively working on this report - lots more documentation and extra metrics to come!

Let us know what you think of it by mentioning @sourcery-ai in a comment.