Fails on windows due to Python 3.8

Here's the output

```
pip install --user --requirement requirements.txt
Collecting Pillow==6.2.0
  Using cached Pillow-6.2.0.tar.gz (37.4 MB)
Collecting pdf2image==1.9.0
  Using cached pdf2image-1.9.0.tar.gz (7.4 kB)
Collecting pytesseract==0.2.7
  Using cached pytesseract-0.2.7.tar.gz (169 kB)
Building wheels for collected packages: Pillow, pdf2image, pytesseract
  Building wheel for Pillow (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: 'c:\python38\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\Brian\\AppData\\Local\\Temp\\pip-install-xja2zcqc\\Pillow\\setup.py'"'"'; __file__='"'"'C:\\Users\\Brian\\AppData\\Local\\Temp\\pip-install-xja2zcqc\\Pillow\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d 'C:\Users\Brian\AppData\Local\Temp\pip-wheel-085v4_1w'
       cwd: C:\Users\Brian\AppData\Local\Temp\pip-install-xja2zcqc\Pillow\
  Complete output (174 lines):
  C:\Users\Brian\AppData\Local\Temp\pip-install-xja2zcqc\Pillow\setup.py:28: RuntimeWarning: Pillow does not yet support Python 3.8 and does not yet provide prebuilt Windows binaries. We do not recommend building from source on Windows.
    warnings.warn(
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build\lib.win-amd64-3.8
  creating build\lib.win-amd64-3.8\PIL
  copying src\PIL\BdfFontFile.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\BlpImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\BmpImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\BufrStubImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ContainerIO.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\CurImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\DcxImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\DdsImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\EpsImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ExifTags.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\features.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\FitsStubImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\FliImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\FontFile.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\FpxImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\FtexImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\GbrImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\GdImageFile.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\GifImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\GimpGradientFile.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\GimpPaletteFile.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\GribStubImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\Hdf5StubImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\IcnsImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\IcoImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\Image.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageChops.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageCms.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageColor.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageDraw.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageDraw2.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageEnhance.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageFile.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageFilter.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageFont.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageGrab.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageMath.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageMode.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageMorph.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageOps.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImagePalette.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImagePath.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageQt.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageSequence.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageShow.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageStat.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageTk.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageTransform.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImageWin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\ImtImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\IptcImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\Jpeg2KImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\JpegImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\JpegPresets.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\McIdasImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\MicImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\MpegImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\MpoImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\MspImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PaletteFile.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PalmImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PcdImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PcfFontFile.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PcxImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PdfImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PdfParser.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PixarImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PngImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PpmImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PsdImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PSDraw.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\PyAccess.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\SgiImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\SpiderImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\SunImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\TarIO.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\TgaImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\TiffImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\TiffTags.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\WalImageFile.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\WebPImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\WmfImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\XbmImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\XpmImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\XVThumbImagePlugin.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\_binary.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\_tkinter_finder.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\_util.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\_version.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\__init__.py -> build\lib.win-amd64-3.8\PIL
  copying src\PIL\__main__.py -> build\lib.win-amd64-3.8\PIL
  running egg_info
  writing src\Pillow.egg-info\PKG-INFO
  writing dependency_links to src\Pillow.egg-info\dependency_links.txt
  writing top-level names to src\Pillow.egg-info\top_level.txt
  reading manifest file 'src\Pillow.egg-info\SOURCES.txt'
  reading manifest template 'MANIFEST.in'
  warning: no files found matching '*.c'
  warning: no files found matching '*.h'
  warning: no files found matching '*.sh'
  warning: no previously-included files found matching '.appveyor.yml'
  warning: no previously-included files found matching '.coveragerc'
  warning: no previously-included files found matching '.codecov.yml'
  warning: no previously-included files found matching '.editorconfig'
  warning: no previously-included files found matching '.readthedocs.yml'
  warning: no previously-included files found matching 'azure-pipelines.yml'
  warning: no previously-included files matching '.git*' found anywhere in distribution
  warning: no previously-included files matching '*.pyc' found anywhere in distribution
  warning: no previously-included files matching '*.so' found anywhere in distribution
  no previously-included directories found matching '.azure-pipelines'
  no previously-included directories found matching '.travis'
  writing manifest file 'src\Pillow.egg-info\SOURCES.txt'
  running build_ext


  The headers or library files could not be found for zlib,
  a required dependency when compiling Pillow from source.

  Please see the install instructions at:
     https://pillow.readthedocs.io/en/latest/installation.html

  Traceback (most recent call last):
    File "C:\Users\Brian\AppData\Local\Temp\pip-install-xja2zcqc\Pillow\setup.py", line 852, in <module>
      setup(
    File "c:\python38\lib\site-packages\setuptools\__init__.py", line 145, in setup
      return distutils.core.setup(**attrs)
    File "c:\python38\lib\distutils\core.py", line 148, in setup
      dist.run_commands()
    File "c:\python38\lib\distutils\dist.py", line 966, in run_commands
      self.run_command(cmd)
    File "c:\python38\lib\distutils\dist.py", line 985, in run_command
      cmd_obj.run()
    File "C:\Users\Brian\AppData\Roaming\Python\Python38\site-packages\wheel\bdist_wheel.py", line 223, in run
      self.run_command('build')
    File "c:\python38\lib\distutils\cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "c:\python38\lib\distutils\dist.py", line 985, in run_command
      cmd_obj.run()
    File "c:\python38\lib\distutils\command\build.py", line 135, in run
      self.run_command(cmd_name)
    File "c:\python38\lib\distutils\cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "c:\python38\lib\distutils\dist.py", line 985, in run_command
      cmd_obj.run()
    File "c:\python38\lib\distutils\command\build_ext.py", line 340, in run
      self.build_extensions()
    File "C:\Users\Brian\AppData\Local\Temp\pip-install-xja2zcqc\Pillow\setup.py", line 687, in build_extensions
      raise RequiredDependencyException(f)
  __main__.RequiredDependencyException: zlib

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "C:\Users\Brian\AppData\Local\Temp\pip-install-xja2zcqc\Pillow\setup.py", line 902, in <module>
      raise RequiredDependencyException(msg)
  __main__.RequiredDependencyException:

  The headers or library files could not be found for zlib,
  a required dependency when compiling Pillow from source.

  Please see the install instructions at:
     https://pillow.readthedocs.io/en/latest/installation.html


  ----------------------------------------
  ERROR: Failed building wheel for Pillow
  Running setup.py clean for Pillow
  Building wheel for pdf2image (setup.py) ... done
  Created wheel for pdf2image: filename=pdf2image-1.9.0-py3-none-any.whl size=8095 sha256=a7fa922f68dd44e2806eeb90bfdc20cd5c082b8311a68208c20b3f68d41df5ba
  Stored in directory: c:\users\brian\appdata\local\pip\cache\wheels\a2\1e\33\39929600b164d682492debff5e610bd97faa7d9eb400b1bdbd
  Building wheel for pytesseract (setup.py) ... done
  Created wheel for pytesseract: filename=pytesseract-0.2.7-py2.py3-none-any.whl size=165741 sha256=504ee36854dcafde80c7401d203724b319ca1c0bee30bbcf42a6a0a01f2bcc14
  Stored in directory: c:\users\brian\appdata\local\pip\cache\wheels\58\c2\2a\c7c38950f8b3db30009e04ebd0cc000e6ae1af83f50b11c53c
Successfully built pdf2image pytesseract
Failed to build Pillow
Installing collected packages: Pillow, pdf2image, pytesseract
    Running setup.py install for Pillow ... error
    ERROR: Command errored out with exit status 1:
     command: 'c:\python38\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\Brian\\AppData\\Local\\Temp\\pip-install-xja2zcqc\\Pillow\\setup.py'"'"'; __file__='"'"'C:\\Users\\Brian\\AppData\\Local\\Temp\\pip-install-xja2zcqc\\Pillow\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\Brian\AppData\Local\Temp\pip-record-ndd5_kmb\install-record.txt' --single-version-externally-managed --user --prefix= --compile --install-headers 'C:\Users\Brian\AppData\Roaming\Python\Python38\Include\Pillow'
         cwd: C:\Users\Brian\AppData\Local\Temp\pip-install-xja2zcqc\Pillow\
    Complete output (176 lines):
    C:\Users\Brian\AppData\Local\Temp\pip-install-xja2zcqc\Pillow\setup.py:28: RuntimeWarning: Pillow does not yet support Python 3.8 and does not yet provide prebuilt Windows binaries. We do not recommend building from source on Windows.
      warnings.warn(
    running install
    running build
    running build_py
    creating build
    creating build\lib.win-amd64-3.8
    creating build\lib.win-amd64-3.8\PIL
    copying src\PIL\BdfFontFile.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\BlpImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\BmpImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\BufrStubImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ContainerIO.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\CurImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\DcxImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\DdsImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\EpsImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ExifTags.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\features.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\FitsStubImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\FliImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\FontFile.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\FpxImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\FtexImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\GbrImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\GdImageFile.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\GifImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\GimpGradientFile.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\GimpPaletteFile.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\GribStubImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\Hdf5StubImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\IcnsImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\IcoImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\Image.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageChops.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageCms.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageColor.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageDraw.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageDraw2.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageEnhance.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageFile.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageFilter.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageFont.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageGrab.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageMath.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageMode.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageMorph.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageOps.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImagePalette.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImagePath.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageQt.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageSequence.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageShow.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageStat.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageTk.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageTransform.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImageWin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\ImtImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\IptcImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\Jpeg2KImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\JpegImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\JpegPresets.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\McIdasImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\MicImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\MpegImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\MpoImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\MspImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PaletteFile.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PalmImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PcdImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PcfFontFile.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PcxImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PdfImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PdfParser.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PixarImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PngImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PpmImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PsdImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PSDraw.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\PyAccess.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\SgiImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\SpiderImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\SunImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\TarIO.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\TgaImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\TiffImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\TiffTags.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\WalImageFile.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\WebPImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\WmfImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\XbmImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\XpmImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\XVThumbImagePlugin.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\_binary.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\_tkinter_finder.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\_util.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\_version.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\__init__.py -> build\lib.win-amd64-3.8\PIL
    copying src\PIL\__main__.py -> build\lib.win-amd64-3.8\PIL
    running egg_info
    writing src\Pillow.egg-info\PKG-INFO
    writing dependency_links to src\Pillow.egg-info\dependency_links.txt
    writing top-level names to src\Pillow.egg-info\top_level.txt
    reading manifest file 'src\Pillow.egg-info\SOURCES.txt'
    reading manifest template 'MANIFEST.in'
    warning: no files found matching '*.c'
    warning: no files found matching '*.h'
    warning: no files found matching '*.sh'
    warning: no previously-included files found matching '.appveyor.yml'
    warning: no previously-included files found matching '.coveragerc'
    warning: no previously-included files found matching '.codecov.yml'
    warning: no previously-included files found matching '.editorconfig'
    warning: no previously-included files found matching '.readthedocs.yml'
    warning: no previously-included files found matching 'azure-pipelines.yml'
    warning: no previously-included files matching '.git*' found anywhere in distribution
    warning: no previously-included files matching '*.pyc' found anywhere in distribution
    warning: no previously-included files matching '*.so' found anywhere in distribution
    no previously-included directories found matching '.azure-pipelines'
    no previously-included directories found matching '.travis'
    writing manifest file 'src\Pillow.egg-info\SOURCES.txt'
    running build_ext


    The headers or library files could not be found for zlib,
    a required dependency when compiling Pillow from source.

    Please see the install instructions at:
       https://pillow.readthedocs.io/en/latest/installation.html

    Traceback (most recent call last):
      File "C:\Users\Brian\AppData\Local\Temp\pip-install-xja2zcqc\Pillow\setup.py", line 852, in <module>
        setup(
      File "c:\python38\lib\site-packages\setuptools\__init__.py", line 145, in setup
        return distutils.core.setup(**attrs)
      File "c:\python38\lib\distutils\core.py", line 148, in setup
        dist.run_commands()
      File "c:\python38\lib\distutils\dist.py", line 966, in run_commands
        self.run_command(cmd)
      File "c:\python38\lib\distutils\dist.py", line 985, in run_command
        cmd_obj.run()
      File "c:\python38\lib\site-packages\setuptools\command\install.py", line 61, in run
        return orig.install.run(self)
      File "c:\python38\lib\distutils\command\install.py", line 545, in run
        self.run_command('build')
      File "c:\python38\lib\distutils\cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "c:\python38\lib\distutils\dist.py", line 985, in run_command
        cmd_obj.run()
      File "c:\python38\lib\distutils\command\build.py", line 135, in run
        self.run_command(cmd_name)
      File "c:\python38\lib\distutils\cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "c:\python38\lib\distutils\dist.py", line 985, in run_command
        cmd_obj.run()
      File "c:\python38\lib\distutils\command\build_ext.py", line 340, in run
        self.build_extensions()
      File "C:\Users\Brian\AppData\Local\Temp\pip-install-xja2zcqc\Pillow\setup.py", line 687, in build_extensions
        raise RequiredDependencyException(f)
    __main__.RequiredDependencyException: zlib

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "C:\Users\Brian\AppData\Local\Temp\pip-install-xja2zcqc\Pillow\setup.py", line 902, in <module>
        raise RequiredDependencyException(msg)
    __main__.RequiredDependencyException:

    The headers or library files could not be found for zlib,
    a required dependency when compiling Pillow from source.

    Please see the install instructions at:
       https://pillow.readthedocs.io/en/latest/installation.html


    ----------------------------------------
ERROR: Command errored out with exit status 1: 'c:\python38\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\Brian\\AppData\\Local\\Temp\\pip-install-xja2zcqc\\Pillow\\setup.py'"'"'; __file__='"'"'C:\\Users\\Brian\\AppData\\Local\\Temp\\pip-install-xja2zcqc\\Pillow\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Users\Brian\AppData\Local\Temp\pip-record-ndd5_kmb\install-record.txt' --single-version-externally-managed --user --prefix= --compile --install-headers 'C:\Users\Brian\AppData\Roaming\Python\Python38\Include\Pillow' Check the logs for full command output.
WARNING: You are using pip version 20.1; however, version 20.1.1 is available.
You should consider upgrading via the 'c:\python38\python.exe -m pip install --upgrade pip' command.
```

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Fails on windows due to Python 3.8 #2

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Fails on windows due to Python 3.8 #2

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