[Bug 1429521] Re: AttributeError: 'Checker' object has no attribute 'blank_before'

[Nobuto Murata]

ah, the traceback occurs only if python3-hacking package is installed.

** Description changed:

- python3-flake8 always returns AttributeError: 'Checker' object has no
- attribute 'blank_before'.
+ If python3-hacking package is installed, python3-flake8 always returns
+ AttributeError: 'Checker' object has no attribute 'blank_before'.
  
- $ cat foo.py 
+ $ cat foo.py
  #!/usr/bin/python3
  
  pass
  
  $ python3 -m flake8 -vv foo.py
  checking foo.py
  pass
  Traceback (most recent call last):
-   File "/usr/lib/python3.4/runpy.py", line 170, in _run_module_as_main
-     "__main__", mod_spec)
-   File "/usr/lib/python3.4/runpy.py", line 85, in _run_code
-     exec(code, run_globals)
-   File "/usr/lib/python3/dist-packages/flake8/__main__.py", line 4, in <module>
-     main()
-   File "/usr/lib/python3/dist-packages/flake8/main.py", line 32, in main
-     report = flake8_style.check_files()
-   File "/usr/lib/python3/dist-packages/pep8.py", line 1624, in check_files
-     runner(path)
-   File "/usr/lib/python3/dist-packages/flake8/engine.py", line 83, in input_file
-     return fchecker.check_all(expected=expected, line_offset=line_offset)
-   File "/usr/lib/python3/dist-packages/pep8.py", line 1393, in check_all
-     self.check_logical()
-   File "/usr/lib/python3/dist-packages/pep8.py", line 1327, in check_logical
-     for result in self.run_check(check, argument_names):
-   File "/usr/lib/python3/dist-packages/pep8.py", line 1256, in run_check
-     arguments.append(getattr(self, name))
+   File "/usr/lib/python3.4/runpy.py", line 170, in _run_module_as_main
+     "__main__", mod_spec)
+   File "/usr/lib/python3.4/runpy.py", line 85, in _run_code
+     exec(code, run_globals)
+   File "/usr/lib/python3/dist-packages/flake8/__main__.py", line 4, in <module>
+     main()
+   File "/usr/lib/python3/dist-packages/flake8/main.py", line 32, in main
+     report = flake8_style.check_files()
+   File "/usr/lib/python3/dist-packages/pep8.py", line 1624, in check_files
+     runner(path)
+   File "/usr/lib/python3/dist-packages/flake8/engine.py", line 83, in input_file
+     return fchecker.check_all(expected=expected, line_offset=line_offset)
+   File "/usr/lib/python3/dist-packages/pep8.py", line 1393, in check_all
+     self.check_logical()
+   File "/usr/lib/python3/dist-packages/pep8.py", line 1327, in check_logical
+     for result in self.run_check(check, argument_names):
+   File "/usr/lib/python3/dist-packages/pep8.py", line 1256, in run_check
+     arguments.append(getattr(self, name))
  AttributeError: 'Checker' object has no attribute 'blank_before'
  
- ProblemType: Bug
- DistroRelease: Ubuntu 15.04
+ ProblemType: BugDistroRelease: Ubuntu 15.04
  Package: python3-flake8 2.2.2-1ubuntu1
  ProcVersionSignature: Ubuntu 3.19.0-7.7-generic 3.19.0
  Uname: Linux 3.19.0-7-generic x86_64
  ApportVersion: 2.16.2-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Mar  8 15:15:00 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2015-02-28 (7 days ago)
- InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150228)
- SourcePackage: python-flake8
+ InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150228)SourcePackage: python-flake8
  UpgradeStatus: No upgrade log present (probably fresh install)

** Description changed:

  If python3-hacking package is installed, python3-flake8 always returns
  AttributeError: 'Checker' object has no attribute 'blank_before'.
  
  $ cat foo.py
  #!/usr/bin/python3
  
  pass
  
  $ python3 -m flake8 -vv foo.py
  checking foo.py
  pass
  Traceback (most recent call last):
    File "/usr/lib/python3.4/runpy.py", line 170, in _run_module_as_main
      "__main__", mod_spec)
    File "/usr/lib/python3.4/runpy.py", line 85, in _run_code
      exec(code, run_globals)
    File "/usr/lib/python3/dist-packages/flake8/__main__.py", line 4, in <module>
      main()
    File "/usr/lib/python3/dist-packages/flake8/main.py", line 32, in main
      report = flake8_style.check_files()
    File "/usr/lib/python3/dist-packages/pep8.py", line 1624, in check_files
      runner(path)
    File "/usr/lib/python3/dist-packages/flake8/engine.py", line 83, in input_file
      return fchecker.check_all(expected=expected, line_offset=line_offset)
    File "/usr/lib/python3/dist-packages/pep8.py", line 1393, in check_all
      self.check_logical()
    File "/usr/lib/python3/dist-packages/pep8.py", line 1327, in check_logical
      for result in self.run_check(check, argument_names):
    File "/usr/lib/python3/dist-packages/pep8.py", line 1256, in run_check
      arguments.append(getattr(self, name))
  AttributeError: 'Checker' object has no attribute 'blank_before'
  
- ProblemType: BugDistroRelease: Ubuntu 15.04
+ ProblemType: Bug
+ DistroRelease: Ubuntu 15.04
  Package: python3-flake8 2.2.2-1ubuntu1
  ProcVersionSignature: Ubuntu 3.19.0-7.7-generic 3.19.0
  Uname: Linux 3.19.0-7-generic x86_64
  ApportVersion: 2.16.2-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Sun Mar  8 15:15:00 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2015-02-28 (7 days ago)
- InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150228)SourcePackage: python-flake8
+ InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150228)
+ SourcePackage: python-flake8
  UpgradeStatus: No upgrade log present (probably fresh install)

** Package changed: python-flake8 (Ubuntu) => python-hacking (Ubuntu)

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Title:
  AttributeError: 'Checker' object has no attribute 'blank_before'

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