Hello again,

After uninstalling and installing the pil library multiple time, I still encounter the same error while installing the requirements.txt,

 ERROR: Command errored out with exit status 1:

     command: 'C:\Users\leakh\AppData\Local\Microsoft\WindowsApps\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\leakh\\AppData\\Local\\Temp\\pip-install-cxy6fn5m\\Pillow\\setup.py'"'"'; __file__='"'"'C:\\Users\\leakh\\AppData\\Local\\Temp\\pip-install-cxy6fn5m\\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\leakh\AppData\Local\Temp\pip-record-vl2z4x4s\install-record.txt' --single-version-externally-managed --user --prefix= --compile --install-headers 'C:\Users\leakh\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\Include\Pillow'

         cwd: C:\Users\leakh\AppData\Local\Temp\pip-install-cxy6fn5m\Pillow\

    Complete output (179 lines):

    C:\Users\leakh\AppData\Local\Temp\pip-install-cxy6fn5m\Pillow\setup.py:29: 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'

    no previously-included directories found matching 'docs\_static'

    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 '.landscape.yaml'

    warning: no previously-included files found matching '.readthedocs.yml'

    warning: no previously-included files found matching 'azure-pipelines.yml'

    warning: no previously-included files found matching 'tox.ini'

    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\leakh\AppData\Local\Temp\pip-install-cxy6fn5m\Pillow\setup.py", line 839, in <module>

        setup(

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\site-packages\setuptools\__init__.py", line 144, in setup

        return distutils.core.setup(**attrs)

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\distutils\core.py", line 148, in setup

        dist.run_commands()

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\distutils\dist.py", line 966, in run_commands

        self.run_command(cmd)

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\distutils\dist.py", line 985, in run_command

        cmd_obj.run()

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\site-packages\setuptools\command\install.py", line 61, in run

        return orig.install.run(self)

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\distutils\command\install.py", line 545, in run

        self.run_command('build')

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\distutils\cmd.py", line 313, in run_command

        self.distribution.run_command(command)

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\distutils\dist.py", line 985, in run_command

        cmd_obj.run()

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\distutils\command\build.py", line 135, in run

        self.run_command(cmd_name)

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\distutils\cmd.py", line 313, in run_command

        self.distribution.run_command(command)

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\distutils\dist.py", line 985, in run_command

        cmd_obj.run()

      File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.8_3.8.1520.0_x64__qbz5n2kfra8p0\lib\distutils\command\build_ext.py", line 340, in run

        self.build_extensions()

      File "C:\Users\leakh\AppData\Local\Temp\pip-install-cxy6fn5m\Pillow\setup.py", line 674, 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\leakh\AppData\Local\Temp\pip-install-cxy6fn5m\Pillow\setup.py", line 888, 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

    ----------------------------------------

  Rolling back uninstall of Pillow

  Moving to c:\users\leakh\appdata\local\packages\pythonsoftwarefoundation.python.3.8_qbz5n2kfra8p0\localcache\local-packages\python38\site-packages\pil\

   from C:\Users\leakh\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\~il

  Moving to c:\users\leakh\appdata\local\packages\pythonsoftwarefoundation.python.3.8_qbz5n2kfra8p0\localcache\local-packages\python38\site-packages\pillow-7.2.0.dist-info\

   from C:\Users\leakh\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\site-packages\~illow-7.2.0.dist-info

ERROR: Command errored out with exit status 1: 'C:\Users\leakh\AppData\Local\Microsoft\WindowsApps\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\leakh\\AppData\\Local\\Temp\\pip-install-cxy6fn5m\\Pillow\\setup.py'"'"'; __file__='"'"'C:\\Users\\leakh\\AppData\\Local\\Temp\\pip-install-cxy6fn5m\\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\leakh\AppData\Local\Temp\pip-record-vl2z4x4s\install-record.txt' --single-version-externally-managed --user --prefix= --compile --install-headers 'C:\Users\leakh\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.8_qbz5n2kfra8p0\LocalCache\local-packages\Python38\Include\Pillow' Check the logs for full command output.

This is my requirements.txt:

Babel==2.6.0

chardet==3.0.4

decorator==4.3.0

docutils==0.14

ebaysdk==2.1.5

feedparser==5.2.1

gevent==1.1.2 ; sys_platform != 'win32' and python_version < '3.7'

gevent==1.3.7 ; sys_platform != 'win32' and python_version >= '3.7'

gevent==1.4.0 ; sys_platform == 'win32'

greenlet==0.4.10 ; python_version < '3.7'

greenlet==0.4.15 ; python_version >= '3.7'

html2text==2018.1.9

Jinja2==2.10.1

libsass==0.17.0

lxml==3.7.1 ; sys_platform != 'win32' and python_version < '3.7'

lxml==4.3.2 ; sys_platform != 'win32' and python_version >= '3.7'

lxml ; sys_platform == 'win32'

Mako==1.0.7

MarkupSafe==1.1.0

mock==2.0.0

num2words==0.5.6

ofxparse==0.19

passlib==1.7.1

Pillow==5.4.1 ; python_version < '3.7' or sys_platform != 'win32'

Pillow==6.1.0 ; sys_platform == 'win32' and python_version >= '3.7'

polib==1.1.0

psutil==5.6.6

psycopg2==2.7.7; sys_platform != 'win32' and python_version < '3.8'

psycopg2==2.8.3; sys_platform == 'win32' or python_version >= '3.8'

pydot==1.4.1

python-ldap==3.1.0; sys_platform != 'win32'

pyparsing==2.2.0

PyPDF2==1.26.0

pyserial==3.4

python-dateutil==2.7.3

pytz==2019.1

pyusb==1.0.2

qrcode==6.1

reportlab==3.5.13

requests==2.21.0

zeep==3.2.0

vatnumber==1.2

vobject==0.9.6.1

Werkzeug==0.14.1 ; sys_platform != 'win32'

Werkzeug==0.16.0 ; sys_platform == 'win32'

XlsxWriter==1.1.2

xlwt==1.3.*

xlrd==1.1.0

pypiwin32 ; sys_platform == 'win32'