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[Bug 1893316] Re: Pep8 job fails due to "No value for argument" failures

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: OpenStack Infra <1893316@xxxxxxxxxxxxxxxxxx>
Date: Fri, 28 Aug 2020 17:30:15 -0000
Reply-to: Bug 1893316 <1893316@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Reviewed:  https://review.opendev.org/748594
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=3ae3c080db1bf84dbca77f72e4382de7f0e90ddf
Submitter: Zuul
Branch:    master

commit 3ae3c080db1bf84dbca77f72e4382de7f0e90ddf
Author: Rodolfo Alonso Hernandez <ralonsoh@xxxxxxxxxx>
Date:   Fri Aug 28 09:40:39 2020 +0000

    Disable "no-value-for-parameter" pep8 error in DictModel
    
    This pep8 error ocurrs sporadically, as reported in related bug.
    The creation of a new DictModel class empty object during the
    deepcopy process only needs the class type only.
    
    Change-Id: Iba4f2ea700f01fd153104741614eec4855d0f387
    Closes-Bug: #1893316


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1893316

Title:
  Pep8 job fails due to "No value for argument" failures

Status in neutron:
  Fix Released

Bug description:
  It's not failing 100% of times but I saw if few times on various
  patches, like e.g. https://d89caec807a881ad03df-
  15f9cb421d13274d63db86bb4c9dc3bd.ssl.cf5.rackcdn.com/748530/1/check
  /openstack-tox-pep8/5c71270/job-output.txt

  Error is like:

  2020-08-27 20:29:11.947277 | ubuntu-bionic | pep8 installed: alembic==1.4.2,amqp==2.6.1,appdirs==1.4.4,astroid==2.3.3,attrs==20.1.0,Babel==2.8.0,bandit==1.6.2,bashate==2.0.0,bcrypt==3.2.0,beautifulsoup4==4.9.1,cachetools==4.1.1,certifi==2020.6.20,cffi==1.14.2,chardet==3.0.4,cliff==3.4.0,cmd2==1.3.5,colorama==0.4.3,coverage==5.2.1,cryptography==3.1,ddt==1.4.1,debtcollector==2.2.0,decorator==4.4.2,dnspython==1.16.0,dogpile.cache==1.0.2,dulwich==0.20.5,entrypoints==0.3,eventlet==0.26.1,extras==1.0.0,fasteners==0.14.1,fixtures==3.0.0,flake8==3.7.9,flake8-import-order==0.12,future==0.18.2,futurist==2.2.0,gitdb==4.0.5,GitPython==3.1.7,greenlet==0.4.16,hacking==3.0.1,httplib2==0.18.1,idna==2.10,importlib-metadata==1.7.0,importlib-resources==3.0.0,iso8601==0.1.12,isort==4.3.21,Jinja2==2.11.2,jmespath==0.10.0,jsonpatch==1.26,jsonpointer==2.0,jsonschema==3.2.0,keystoneauth1==4.2.1,keystonemiddleware==9.1.0,kombu==5.0.1,lazy-object-proxy==1.4.3,linecache2==1.0.0,logutils==0.3.5,Mako==1.1.3,MarkupSafe==1.1.1,mccabe==0.6.1,monotonic==1.5,msgpack==1.0.0,munch==2.5.0,netaddr==0.8.0,netifaces==0.10.9,-e git+file:///dev/null@25d104461c3b4a68e752d946bec18a8c9bacc9e7#egg=neutron,neutron-lib==2.5.0,openstacksdk==0.48.0,os-client-config==2.1.0,os-ken==1.1.0,os-service-types==1.7.0,os-traits==2.4.0,os-vif==2.1.0,os-xenapi==0.3.4,osc-lib==2.2.0,oslo.cache==2.5.0,oslo.concurrency==4.2.0,oslo.config==8.3.1,oslo.context==3.1.0,oslo.db==8.3.0,oslo.i18n==5.0.0,oslo.log==4.3.0,oslo.messaging==12.3.0,oslo.middleware==4.1.0,oslo.policy==3.3.2,oslo.privsep==2.3.0,oslo.reports==2.1.0,oslo.rootwrap==6.1.0,oslo.serialization==4.0.0,oslo.service==2.3.2,oslo.upgradecheck==1.1.0,oslo.utils==4.4.0,oslo.versionedobjects==2.2.0,oslotest==4.4.0,osprofiler==3.3.0,ovs==2.13.0,ovsdbapp==1.4.0,packaging==20.4,paramiko==2.7.1,Paste==3.4.3,PasteDeploy==2.1.0,pbr==5.4.5,pecan==1.4.0,prettytable==0.7.2,psutil==5.7.2,pycadf==3.1.0,pycodestyle==2.6.0,pycparser==2.20,pyflakes==2.1.1,pyinotify==0.9.6,pylint==2.4.4,PyMySQL==0.10.0,PyNaCl==1.4.0,pyOpenSSL==19.1.0,pyparsing==2.4.7,pyperclip==1.8.0,pyroute2==0.5.13,pyrsistent==0.16.0,python-dateutil==2.8.1,python-designateclient==4.1.0,python-editor==1.0.4,python-keystoneclient==4.1.0,python-mimeparse==1.6.0,python-neutronclient==7.2.0,python-novaclient==17.2.0,python-subunit==1.4.0,pytz==2020.1,PyYAML==5.3.1,reno==3.1.0,repoze.lru==0.7,requests==2.23.0,requestsexceptions==1.4.0,rfc3986==1.4.0,Routes==2.4.1,setproctitle==1.1.10,simplejson==3.17.2,six==1.15.0,smmap==3.0.4,sortedcontainers==2.2.2,soupsieve==2.0.1,SQLAlchemy==1.3.19,sqlalchemy-migrate==0.13.0,sqlparse==0.3.1,statsd==3.3.0,stestr==3.0.1,stevedore==3.2.0,Tempita==0.5.2,tenacity==6.2.0,testresources==2.0.1,testscenarios==0.5.0,testtools==2.4.0,tinyrpc==1.0.4,tooz==2.7.1,traceback2==1.4.0,typed-ast==1.4.1,unittest2==1.1.0,urllib3==1.25.10,vine==1.3.0,voluptuous==0.11.7,waitress==1.4.4,wcwidth==0.2.5,WebOb==1.8.6,WebTest==2.0.35,wrapt==1.12.1,yappi==1.2.5,zipp==3.1.0
  2020-08-27 20:29:11.948067 | ubuntu-bionic | pep8 start: run-test-pre
  2020-08-27 20:29:11.948352 | ubuntu-bionic | pep8 run-test-pre: PYTHONHASHSEED='141212376'
  2020-08-27 20:29:11.948429 | ubuntu-bionic | pep8 finish: run-test-pre  after 0.00 seconds
  2020-08-27 20:29:11.948631 | ubuntu-bionic | pep8 start: run-test
  2020-08-27 20:29:11.948731 | ubuntu-bionic | pep8 run-test: commands[0] | sh ./tools/misc-sanity-checks.sh
  2020-08-27 20:29:11.948975 | ubuntu-bionic | setting PATH=/home/zuul/src/opendev.org/openstack/neutron/.tox/shared/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
  2020-08-27 20:29:11.952268 | ubuntu-bionic | [3628] /home/zuul/src/opendev.org/openstack/neutron$ /bin/sh ./tools/misc-sanity-checks.sh
  2020-08-27 20:29:12.220062 | ubuntu-bionic | pep8 run-test: commands[1] | /home/zuul/src/opendev.org/openstack/neutron/tools/check_unit_test_structure.sh
  2020-08-27 20:29:12.220300 | ubuntu-bionic | setting PATH=/home/zuul/src/opendev.org/openstack/neutron/.tox/shared/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
  2020-08-27 20:29:12.222279 | ubuntu-bionic | [3647] /home/zuul/src/opendev.org/openstack/neutron$ /home/zuul/src/opendev.org/openstack/neutron/tools/check_unit_test_structure.sh
  2020-08-27 20:29:13.165687 | ubuntu-bionic | 9 unmatched test modules were ignored
  2020-08-27 20:29:13.165801 | ubuntu-bionic | Success!  All test modules match targets in the code tree.
  2020-08-27 20:29:13.166329 | ubuntu-bionic | pep8 run-test: commands[2] | flake8
  2020-08-27 20:29:13.166735 | ubuntu-bionic | setting PATH=/home/zuul/src/opendev.org/openstack/neutron/.tox/shared/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
  2020-08-27 20:29:13.169010 | ubuntu-bionic | [4330] /home/zuul/src/opendev.org/openstack/neutron$ /home/zuul/src/opendev.org/openstack/neutron/.tox/shared/bin/flake8
  2020-08-27 20:29:17.352468 | ubuntu-bionic | /home/zuul/src/opendev.org/openstack/neutron/.tox/shared/lib/python3.6/site-packages/eventlet/patcher.py:1: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
  2020-08-27 20:29:17.352550 | ubuntu-bionic |   import imp
  2020-08-27 20:29:17.352568 | ubuntu-bionic | /home/zuul/src/opendev.org/openstack/neutron/.tox/shared/lib/python3.6/site-packages/dns/hash.py:25: DeprecationWarning: dns.hash module will be removed in future versions. Please use hashlib instead.
  2020-08-27 20:29:17.352582 | ubuntu-bionic |   DeprecationWarning)
  2020-08-27 20:31:04.004668 | ubuntu-bionic | :581: DeprecationWarning: invalid escape sequence \u
  2020-08-27 20:31:04.302610 | ubuntu-bionic | pep8 run-test: commands[3] | sh ./tools/coding-checks.sh --pylint ''
  2020-08-27 20:31:04.303524 | ubuntu-bionic | setting PATH=/home/zuul/src/opendev.org/openstack/neutron/.tox/shared/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
  2020-08-27 20:31:04.306502 | ubuntu-bionic | [4348] /home/zuul/src/opendev.org/openstack/neutron$ /bin/sh ./tools/coding-checks.sh --pylint ''
  2020-08-27 20:31:04.306975 | ubuntu-bionic | Running pylint...
  2020-08-27 20:31:04.307030 | ubuntu-bionic | You can speed this up by running it on 'HEAD~[0-9]' (e.g. HEAD~1, this change only)...
  2020-08-27 20:35:26.078788 | ubuntu-bionic | /home/zuul/src/opendev.org/openstack/neutron/.tox/shared/lib/python3.6/site-packages/astroid/interpreter/_import/spec.py:13: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
  2020-08-27 20:35:26.078901 | ubuntu-bionic |   import imp
  2020-08-27 20:35:26.078925 | ubuntu-bionic | <unknown>:74: DeprecationWarning: invalid escape sequence \[
  2020-08-27 20:35:26.078942 | ubuntu-bionic | <unknown>:800: DeprecationWarning: invalid escape sequence \{
  2020-08-27 20:35:26.078956 | ubuntu-bionic | <unknown>:801: DeprecationWarning: invalid escape sequence \{
  2020-08-27 20:35:26.078967 | ubuntu-bionic | <unknown>:802: DeprecationWarning: invalid escape sequence \{
  2020-08-27 20:35:26.078978 | ubuntu-bionic | <unknown>:337: DeprecationWarning: invalid escape sequence \*
  2020-08-27 20:35:26.078989 | ubuntu-bionic | <unknown>:410: DeprecationWarning: invalid escape sequence \.
  2020-08-27 20:35:26.079000 | ubuntu-bionic | <unknown>:521: DeprecationWarning: invalid escape sequence \d
  2020-08-27 20:35:26.079011 | ubuntu-bionic | <unknown>:1063: DeprecationWarning: invalid escape sequence \d
  2020-08-27 20:35:26.079022 | ubuntu-bionic | <unknown>:1180: DeprecationWarning: invalid escape sequence \/
  2020-08-27 20:35:26.079033 | ubuntu-bionic | <unknown>:48: DeprecationWarning: invalid escape sequence \d
  2020-08-27 20:35:26.079044 | ubuntu-bionic | <unknown>:330: DeprecationWarning: invalid escape sequence \.
  2020-08-27 20:35:26.079055 | ubuntu-bionic | <unknown>:396: DeprecationWarning: invalid escape sequence \.
  2020-08-27 20:35:26.079067 | ubuntu-bionic | <unknown>:373: DeprecationWarning: invalid escape sequence \.
  2020-08-27 20:35:26.079080 | ubuntu-bionic | <unknown>:536: DeprecationWarning: invalid escape sequence \.
  2020-08-27 20:35:26.079092 | ubuntu-bionic | [7;33m************* Module neutron.agent.linux.dhcp[0m
  2020-08-27 20:35:26.079104 | ubuntu-bionic | neutron/agent/linux/dhcp.py:141:17: E1120: [1;31mNo value for argument 'bases' in classmethod call[0m ([1;31mno-value-for-parameter[0m)
  2020-08-27 20:35:26.079116 | ubuntu-bionic | neutron/agent/linux/dhcp.py:141:17: E1120: [1;31mNo value for argument 'namespace' in classmethod call[0m ([1;31mno-value-for-parameter[0m)

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References

[Bug 1893316] [NEW] Pep8 job fails due to "No value for argument" failures
From: Slawek Kaplonski, 2020-08-28