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matplotlib - Can't install new packages for Python (Python 3.9.0, Windows 10)

In order to upgrade and clean up, I have reset my PC and installed Windows 10. Naturally, I installed Python as I use it frequently. But when I tried to install MatPlotLib using the command "pip install matplotlib", it shows an error message colored in red:

    C:UsersmajklAppDataLocalProgramsPythonPython39Scripts>pip install matplotlib
Collecting matplotlib
  Using cached matplotlib-3.3.2.tar.gz (37.9 MB)
    ERROR: Command errored out with exit status 1:
     command: 'c:usersmajklappdatalocalprogramspythonpython39python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\majkl\AppData\Local\Temp\pip-install-ex__f7yd\matplotlib\setup.py'"'"'; __file__='"'"'C:\Users\majkl\AppData\Local\Temp\pip-install-ex__f7yd\matplotlib\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'
'"'"', '"'"'
'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base 'C:UsersmajklAppDataLocalTemppip-pip-egg-info-my5odhue'
         cwd: C:UsersmajklAppDataLocalTemppip-install-ex__f7ydmatplotlib
    Complete output (248 lines):
        ERROR: Command errored out with exit status 1:
         command: 'c:usersmajklappdatalocalprogramspythonpython39python.exe' 'c:usersmajklappdatalocalprogramspythonpython39libsite-packagespip\_vendorpep517\_in_process.py' prepare_metadata_for_build_wheel 'C:UsersmajklAppDataLocalTempmp1jo_3g_p'
             cwd: C:UsersmajklAppDataLocalTemppip-wheel-5qwibsn2
umpy
        Complete output (200 lines):
        Running from numpy source directory.
        setup.py:470: UserWarning: Unrecognized setuptools command, proceeding with generating Cython sources and expanding templates
          run_build = parse_setuppy_commands()
        Processing numpy/random\_bounded_integers.pxd.in
        Processing numpy/randomit_generator.pyx
        Processing numpy/randommtrand.pyx
        Processing numpy/random\_bounded_integers.pyx.in
        Processing numpy/random\_common.pyx
        Processing numpy/random\_generator.pyx
        Processing numpy/random\_mt19937.pyx
        Processing numpy/random\_pcg64.pyx
        Processing numpy/random\_philox.pyx
        Processing numpy/random\_sfc64.pyx
        Cythonizing sources
        blas_opt_info:
        blas_mkl_info:
        No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
        customize MSVCCompiler
          libraries mkl_rt not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        blis_info:
          libraries blis not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        openblas_info:
          libraries openblas not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
        get_default_fcompiler: matching types: '['gnu', 'intelv', 'absoft', 'compaqv', 'intelev', 'gnu95', 'g95', 'intelvem', 'intelem', 'flang']'
        customize GnuFCompiler
        Could not locate executable g77
        Could not locate executable f77
        customize IntelVisualFCompiler
        Could not locate executable ifort
        Could not locate executable ifl
        customize AbsoftFCompiler
        Could not locate executable f90
        customize CompaqVisualFCompiler
        Could not locate executable DF
        customize IntelItaniumVisualFCompiler
        Could not locate executable efl
        customize Gnu95FCompiler
        Could not locate executable gfortran
        Could not locate executable f95
        customize G95FCompiler
        Could not locate executable g95
        customize IntelEM64VisualFCompiler
        customize IntelEM64TFCompiler
        Could not locate executable efort
        Could not locate executable efc
        customize PGroupFlangCompiler
        Could not locate executable flang
        don't know how to compile Fortran code on platform 'nt'
          NOT AVAILABLE

        atlas_3_10_blas_threads_info:
        Setting PTATLAS=ATLAS
          libraries tatlas not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        atlas_3_10_blas_info:
          libraries satlas not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        atlas_blas_threads_info:
        Setting PTATLAS=ATLAS
          libraries ptf77blas,ptcblas,atlas not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        atlas_blas_info:
          libraries f77blas,cblas,atlas not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        accelerate_info:
          NOT AVAILABLE

        C:UsersmajklAppDataLocalTemppip-wheel-5qwibsn2
umpy
umpydistutilssystem_info.py:1914: UserWarning:
            Optimized (vendor) Blas libraries are not found.
            Falls back to netlib Blas library which has worse performance.
            A better performance should be easily gained by switching
            Blas library.
          if self._calc_info(blas):
        blas_info:
          libraries blas not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        C:UsersmajklAppDataLocalTemppip-wheel-5qwibsn2
umpy
umpydistutilssystem_info.py:1914: UserWarning:
            Blas (http://www.netlib.org/blas/) libraries not found.
            Directories to search for the libraries can be specified in the
            numpy/distutils/site.cfg file (section [blas]) or by setting
            the BLAS environment variable.
          if self._calc_info(blas):
        blas_src_info:
          NOT AVAILABLE

        C:UsersmajklAppDataLocalTemppip-wheel-5qwibsn2
umpy
umpydistutilssystem_info.py:1914: UserWarning:
            Blas (http://www.netlib.org/blas/) sources not found.
            Directories to search for the sources can be specified in the
            numpy/distutils/site.cfg file (section [blas_src]) or by setting
            the BLAS_SRC environment variable.
          if self._calc_info(blas):
          NOT AVAILABLE

        non-existing path in 'numpy\distutils': 'site.cfg'
        lapack_opt_info:
        lapack_mkl_info:
          libraries mkl_rt not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        openblas_lapack_info:
          libraries openblas not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        openblas_clapack_info:
          libraries openblas,lapack not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        flame_info:
          libraries flame not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        atlas_3_10_threads_info:
        Setting PTATLAS=ATLAS
          libraries lapack_atlas not found in c:usersmajklappdatalocalprogramspythonpython39lib
          libraries tatlas,tatlas not found in c:usersmajklappdatalocalprogramspythonpython39lib
          libraries lapack_atlas not found in C:
          libraries tatlas,tatlas not found in C:
          libraries lapack_atlas not found in c:usersmajklappdatalocalprogramspythonpython39libs
          libraries tatlas,tatlas not found in c:usersmajklappdatalocalprogramspythonpython39libs
        <class 'numpy.distutils.system_info.atlas_3_10_threads_info'>
          NOT AVAILABLE

        atlas_3_10_info:
          libraries lapack_atlas not found in c:usersmajklappdatalocalprogramspythonpython39lib
          libraries satlas,satlas not found in c:usersmajklappdatalocalprogramspythonpython39lib
          libraries lapack_atlas not found in C:
          libraries satlas,satlas not found in C:
          libraries lapack_atlas not found in c:usersmajklappdatalocalprogramspythonpython39libs
          libraries satlas,satlas not found in c:usersmajklappdatalocalprogramspythonpython39libs
        <class 'numpy.distutils.system_info.atlas_3_10_info'>
          NOT AVAILABLE

        atlas_threads_info:
        Setting PTATLAS=ATLAS
          libraries lapack_atlas not found in c:usersmajklappdatalocalprogramspythonpython39lib
          libraries ptf77blas,ptcblas,atlas not found in c:usersmajklappdatalocalprogramspythonpython39lib
          libraries lapack_atlas not found in C:
          libraries ptf77blas,ptcblas,atlas not found in C:
          libraries lapack_atlas not found in c:usersmajklappdatalocalprogramspythonpython39libs
          libraries ptf77blas,ptcblas,atlas not found in c:usersmajklappdatalocalprogramspythonpython39libs
        <class 'numpy.distutils.system_info.atlas_threads_info'>
          NOT AVAILABLE

        atlas_info:
          libraries lapack_atlas not found in c:usersmajklappdatalocalprogramspythonpython39lib
          libraries f77blas,cblas,atlas not found in c:usersmajklappdatalocalprogramspythonpython39lib
          libraries lapack_atlas not found in C:
          libraries f77blas,cblas,atlas not found in C:
          libraries lapack_atlas not found in c:usersmajklappdatalocalprogramspythonpython39libs
          libraries f77blas,cblas,atlas not found in c:usersmajklappdatalocalprogramspythonpython39libs
        <class 'numpy.distutils.system_info.atlas_info'>
          NOT AVAILABLE

        lapack_info:
          libraries lapack not found in ['c:\users\majkl\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\majkl\appdata\local\programs\python\python39\libs']
          NOT AVAILABLE

        C:UsersmajklAppDataLocalTemppip-wheel-5qwibsn2
umpy
umpydistutilssystem_info.py:1748: UserWarning:
            Lapack (http://www.netlib.org/lapack/) libraries not found.
            Directories to search for the libraries can be specified in the
            numpy/distutils/site.cfg file (section [lapack]) or by setting
            the LAPACK environment variable.
          return getattr(self, '_calc_info_{}'.format(name))()
        lapack_src_info:
          NOT AVAILABLE

        C:UsersmajklAppDataLocalTemppip-wheel-5qwibsn2
umpy
umpydistutilssystem_info.py:1748: UserWarning:
            Lapack (http://www.netlib.org/lapack/) sources not found.
            Directories to search for the sources can be specified in the
            numpy/distutils/site.cfg file (section [lapack_src]) or by setting
            the LAPACK_SRC environment variable.
          return getattr(self, '_calc_info_{}'.format(name))()
          NOT AVAILABLE

        numpy_linalg_lapack_lite:
          FOUND:
            language = c
            define_macros = [('HAVE_BLAS_ILP64', None), ('BLAS_SYMBOL_SUFFIX', '64_')]

        c:usersmajklappdatalocalprogramspythonpython39libdistutilsdist.py:274: UserWarn

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1 Answer

0 votes
by (71.8m points)

Python 3.9 is not even released for 10 days yet. As far as i see a lot of the packages are not supporting Python 3.9 yet. I think your best bet is to uninstall Python 3.9 and install Python 3.8.6. If you want you could try the following just to make sure, but i think i won't work.

pip intstall pipwin
pipwin install <package name>

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