winebuild.sh updates

[PeterSurda]

• remove proxy SSL certificate
• update pytools version for python2 compatibility, fixes Windows build python 2 compatibility #1658
• downgrade pyinstaller for python2 compatibility
• code quality

[g1itch]

I cannot build ):

Collecting pyinstaller
  Downloading pyinstaller-4.0.tar.gz (3.5 MB)
     |████████████████████████████████| 3.5 MB 806 kB/s eta 0:00:01
  Installing build dependencies ... done
  Getting requirements to build wheel ... error
  ERROR: Command errored out with exit status 1:
   command: 'C:\Python27\python.exe' 'C:\Python27\lib\site-packages\pip\_vendor\pep517\_in_process.py' get_requires_for_build_wheel 'c:\users\glitch\temp\tmpikxa_7'
       cwd: c:\users\glitch\temp\pip-install-_nlzwo\pyinstaller
  Complete output (19 lines):
  Traceback (most recent call last):
    File "C:\Python27\lib\site-packages\pip\_vendor\pep517\_in_process.py", line 280, in <module>
      main()
    File "C:\Python27\lib\site-packages\pip\_vendor\pep517\_in_process.py", line 263, in main
      json_out['return_val'] = hook(**hook_input['kwargs'])
    File "C:\Python27\lib\site-packages\pip\_vendor\pep517\_in_process.py", line 114, in get_requires_for_build_wheel
      return hook(config_settings)
    File "c:\users\glitch\temp\pip-build-env-40x1_r\overlay\Lib\site-packages\setuptools\build_meta.py", line 146, in get_requires_for_build_wheel
      return self._get_build_requires(config_settings, requirements=['wheel'])
    File "c:\users\glitch\temp\pip-build-env-40x1_r\overlay\Lib\site-packages\setuptools\build_meta.py", line 127, in _get_build_requires
      self.run_setup()
    File "c:\users\glitch\temp\pip-build-env-40x1_r\overlay\Lib\site-packages\setuptools\build_meta.py", line 243, in run_setup
      self).run_setup(setup_script=setup_script)
    File "c:\users\glitch\temp\pip-build-env-40x1_r\overlay\Lib\site-packages\setuptools\build_meta.py", line 142, in run_setup
      exec(compile(code, __file__, 'exec'), locals())
    File "setup.py", line 63
      file=sys.stderr)
          ^
  SyntaxError: invalid syntax
  ----------------------------------------
ERROR: Command errored out with exit status 1: 'C:\Python27\python.exe' 'C:\Python27\lib\site-packages\pip\_vendor\pep517\_in_process.py' get_requires_for_build_wheel 'c:\users\glitch\temp\tmpikxa_7' Check the logs for full command output.
Create dll
wine: cannot find L"C:\\windows\\system32\\pyinstaller.exe"

[g1itch]

PyInstaller 3.6 is the last version supporting python2: https://github.com/pyinstaller/pyinstaller/releases

[PeterSurda]

Ok I'll force a pyinstaller version