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I'm attempting to install Qiskit via pip and Anaconda on my machine. Here's my process

1.) Install Anaconda 2.) Open Anaconda 3 prompt 3.) Create a virtual environment using conda create -n <environment-name> python=3 command (I've created the environment on different occasions using -n and -m, it creates the environment just fine either way) 4.) Activate the environment 5.) Install Qiskit using pip install qiskit

When I run pip install qiskit, this mess populates the Anaconda prompt

(.venv) C:\Users\brenm>pip install qiskit 

...

 Installing build dependencies ... error ERROR: Command errored out with exit status 1: command: 'C:\Users\brenm\anaconda3\envs\.venv\python.exe' 'C:\Users\brenm\anaconda3\envs\.venv\lib\site-packages\pip' install --ignore-installed --no-user --prefix 'C:\Users\brenm\AppData\Local\Temp\pip-build-env-2psge951\overlay' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel 'Cython>=0.28.5' 'numpy==1.13.3; python_version=='"'"'3.6'"'"' and platform_system!='"'"'AIX'"'"' and platform_python_implementation == '"'"'CPython'"'"'' 'numpy==1.14.0; python_version=='"'"'3.6'"'"' and platform_system!='"'"'AIX'"'"' and platform_python_implementation != '"'"'CPython'"'"'' 'numpy==1.14.5; python_version=='"'"'3.7'"'"' and platform_system!='"'"'AIX'"'"'' 'numpy==1.17.3; python_version>='"'"'3.8'"'"' and platform_system!='"'"'AIX'"'"'' 'numpy==1.16.0; python_version=='"'"'3.6'"'"' and platform_system=='"'"'AIX'"'"'' 'numpy==1.16.0; python_version=='"'"'3.7'"'"' and platform_system=='"'"'AIX'"'"'' 'numpy==1.17.3; python_version>='"'"'3.8'"'"' and platform_system=='"'"'AIX'"'"'' 'scipy>=0.19.1' cwd: None Complete output (641 lines): Ignoring numpy: markers 'python_version == "3.6" and platform_system != "AIX" and platform_python_implementation == "CPython"' don't match your environment Ignoring numpy: markers 'python_version == "3.6" and platform_system != "AIX" and platform_python_implementation != "CPython"' don't match your environment Ignoring numpy: markers 'python_version == "3.7" and platform_system != "AIX"' don't match your environment Ignoring numpy: markers 'python_version == "3.6" and platform_system == "AIX"' don't match your environment Ignoring numpy: markers 'python_version == "3.7" and platform_system == "AIX"' don't match your environment Ignoring numpy: markers 'python_version >= "3.8" and platform_system == "AIX"' don't match your environment Collecting Cython>=0.28.5 Using cached Cython-0.29.21-py2.py3-none-any.whl (974 kB) Collecting numpy==1.17.3 Using cached numpy-1.17.3.zip (6.4 MB) Collecting scipy>=0.19.1 Using cached scipy-1.5.4-cp39-cp39-win_amd64.whl (31.4 MB) Collecting setuptools Using cached setuptools-51.0.0-py3-none-any.whl (785 kB) Collecting wheel Using cached wheel-0.36.2-py2.py3-none-any.whl (35 kB) Building wheels for collected packages: numpy Building wheel for numpy (setup.py): started Building wheel for numpy (setup.py): finished with status 'error' ERROR: Command errored out with exit status 1: command: 'C:\Users\brenm\anaconda3\envs\.venv\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\brenm\\AppData\\Local\\Temp\\pip-install-8_a1i30j\\numpy_78428c83c4dd4130b43d0502153b50e8\\setup.py'"'"'; __file__='"'"'C:\\Users\\brenm\\AppData\\Local\\Temp\\pip-install-8_a1i30j\\numpy_78428c83c4dd4130b43d0502153b50e8\\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\brenm\AppData\Local\Temp\pip-wheel-8jv9o836' cwd: C:\Users\brenm\AppData\Local\Temp\pip-install-8_a1i30j\numpy_78428c83c4dd4130b43d0502153b50e8\ Complete output (292 lines): Running from numpy source directory. 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\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE 

... ---------------------------------------- ERROR: Failed building wheel for numpy Running setup.py clean for numpy ERROR: Command errored out with exit status 1: command: 'C:\Users\brenm\anaconda3\envs.venv\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\brenm\AppData\Local\Temp\pip-install-8_a1i30j\numpy_78428c83c4dd4130b43d0502153b50e8\setup.py'"'"'; file='"'"'C:\Users\brenm\AppData\Local\Temp\pip-install-8_a1i30j\numpy_78428c83c4dd4130b43d0502153b50e8\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' clean --all cwd: C:\Users\brenm\AppData\Local\Temp\pip-install-8_a1i30j\numpy_78428c83c4dd4130b43d0502153b50e8 Complete output (10 lines): Running from numpy source directory.

 `setup.py clean` is not supported, use one of the following instead: - `git clean -xdf` (cleans all files) - `git clean -Xdf` (cleans all versioned files, doesn't touch files that aren't checked into the git repo) Add `--force` to your command to use it anyway if you must (unsupported). ---------------------------------------- ERROR: Failed cleaning build dir for numpy Failed to build numpy Installing collected packages: numpy, wheel, setuptools, scipy, Cython Running setup.py install for numpy: started Running setup.py install for numpy: finished with status 'error' ERROR: Command errored out with exit status 1: command: 'C:\Users\brenm\anaconda3\envs\.venv\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\brenm\\AppData\\Local\\Temp\\pip-install-8_a1i30j\\numpy_78428c83c4dd4130b43d0502153b50e8\\setup.py'"'"'; __file__='"'"'C:\\Users\\brenm\\AppData\\Local\\Temp\\pip-install-8_a1i30j\\numpy_78428c83c4dd4130b43d0502153b50e8\\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\brenm\AppData\Local\Temp\pip-record-yymyimu0\install-record.txt' --single-version-externally-managed --prefix 'C:\Users\brenm\AppData\Local\Temp\pip-build-env-2psge951\overlay' --compile --install-headers 'C:\Users\brenm\AppData\Local\Temp\pip-build-env-2psge951\overlay\Include\numpy' cwd: C:\Users\brenm\AppData\Local\Temp\pip-install-8_a1i30j\numpy_78428c83c4dd4130b43d0502153b50e8\ Complete output (297 lines): Running from numpy source directory. Note: if you need reliable uninstall behavior, then install with pip instead of using `setup.py install`: - `pip install .` (from a git repo or downloaded source release) - `pip install numpy` (last NumPy release on PyPi) 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\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE blis_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries blis not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE openblas_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries openblas not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] 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 No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries tatlas not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE atlas_3_10_blas_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries satlas not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE atlas_blas_threads_info: Setting PTATLAS=ATLAS No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries ptf77blas,ptcblas,atlas not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE atlas_blas_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries f77blas,cblas,atlas not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE accelerate_info: NOT AVAILABLE C:\Users\brenm\AppData\Local\Temp\pip-install-8_a1i30j\numpy_78428c83c4dd4130b43d0502153b50e8\numpy\distutils\system_info.py:690: 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. self.calc_info() blas_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries blas not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE C:\Users\brenm\AppData\Local\Temp\pip-install-8_a1i30j\numpy_78428c83c4dd4130b43d0502153b50e8\numpy\distutils\system_info.py:690: 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. self.calc_info() blas_src_info: NOT AVAILABLE C:\Users\brenm\AppData\Local\Temp\pip-install-8_a1i30j\numpy_78428c83c4dd4130b43d0502153b50e8\numpy\distutils\system_info.py:690: 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. self.calc_info() NOT AVAILABLE 'svnversion' is not recognized as an internal or external command, operable program or batch file. non-existing path in 'numpy\\distutils': 'site.cfg' lapack_opt_info: lapack_mkl_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries mkl_rt not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE openblas_lapack_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries openblas not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE openblas_clapack_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries openblas,lapack not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE flame_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries flame not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE atlas_3_10_threads_info: Setting PTATLAS=ATLAS No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\envs\.venv\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries tatlas,tatlas not found in C:\Users\brenm\anaconda3\envs\.venv\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\ No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries tatlas,tatlas not found in C:\ No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\envs\.venv\libs No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries tatlas,tatlas not found in C:\Users\brenm\anaconda3\envs\.venv\libs No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\Library\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries tatlas,tatlas not found in C:\Users\brenm\anaconda3\Library\lib <class 'numpy.distutils.system_info.atlas_3_10_threads_info'> NOT AVAILABLE atlas_3_10_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\envs\.venv\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries satlas,satlas not found in C:\Users\brenm\anaconda3\envs\.venv\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\ No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries satlas,satlas not found in C:\ No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\envs\.venv\libs No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries satlas,satlas not found in C:\Users\brenm\anaconda3\envs\.venv\libs No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\Library\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries satlas,satlas not found in C:\Users\brenm\anaconda3\Library\lib <class 'numpy.distutils.system_info.atlas_3_10_info'> NOT AVAILABLE atlas_threads_info: Setting PTATLAS=ATLAS No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\envs\.venv\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries ptf77blas,ptcblas,atlas not found in C:\Users\brenm\anaconda3\envs\.venv\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\ No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries ptf77blas,ptcblas,atlas not found in C:\ No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\envs\.venv\libs No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries ptf77blas,ptcblas,atlas not found in C:\Users\brenm\anaconda3\envs\.venv\libs No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\Library\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries ptf77blas,ptcblas,atlas not found in C:\Users\brenm\anaconda3\Library\lib <class 'numpy.distutils.system_info.atlas_threads_info'> NOT AVAILABLE atlas_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\envs\.venv\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries f77blas,cblas,atlas not found in C:\Users\brenm\anaconda3\envs\.venv\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\ No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries f77blas,cblas,atlas not found in C:\ No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\envs\.venv\libs No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries f77blas,cblas,atlas not found in C:\Users\brenm\anaconda3\envs\.venv\libs No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack_atlas not found in C:\Users\brenm\anaconda3\Library\lib No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries f77blas,cblas,atlas not found in C:\Users\brenm\anaconda3\Library\lib <class 'numpy.distutils.system_info.atlas_info'> NOT AVAILABLE lapack_info: No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils customize MSVCCompiler libraries lapack not found in ['C:\\Users\\brenm\\anaconda3\\envs\\.venv\\lib', 'C:\\', 'C:\\Users\\brenm\\anaconda3\\envs\\.venv\\libs', 'C:\\Users\\brenm\\anaconda3\\Library\\lib'] NOT AVAILABLE C:\Users\brenm\AppData\Local\Temp\pip-install-8_a1i30j\numpy_78428c83c4dd4130b43d0502153b50e8\numpy\distutils\system_info.py:1712: 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. if getattr(self, '_calc_info_{}'.format(lapack))(): lapack_src_info: NOT AVAILABLE C:\Users\brenm\AppData\Local\Temp\pip-install-8_a1i30j\numpy_78428c83c4dd4130b43d0502153b50e8\numpy\distutils\system_info.py:1712: 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. if getattr(self, '_calc_info_{}'.format(lapack))(): NOT AVAILABLE C:\Users\brenm\anaconda3\envs\.venv\lib\distutils\dist.py:274: UserWarning: Unknown distribution option: 'define_macros' warnings.warn(msg) running install running build running config_cc unifing config_cc, config, build_clib, build_ext, build commands --compiler options running config_fc unifing config_fc, config, build_clib, build_ext, build commands --fcompiler options running build_src build_src building py_modules sources building library "npymath" sources No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/ ---------------------------------------- ERROR: Command errored out with exit status 1: 'C:\Users\brenm\anaconda3\envs\.venv\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\brenm\\AppData\\Local\\Temp\\pip-install-8_a1i30j\\numpy_78428c83c4dd4130b43d0502153b50e8\\setup.py'"'"'; __file__='"'"'C:\\Users\\brenm\\AppData\\Local\\Temp\\pip-install-8_a1i30j\\numpy_78428c83c4dd4130b43d0502153b50e8\\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\brenm\AppData\Local\Temp\pip-record-yymyimu0\install-record.txt' --single-version-externally-managed --prefix 'C:\Users\brenm\AppData\Local\Temp\pip-build-env-2psge951\overlay' --compile --install-headers 'C:\Users\brenm\AppData\Local\Temp\pip-build-env-2psge951\overlay\Include\numpy' Check the logs for full command output. ---------------------------------------- ERROR: Command errored out with exit status 1: 'C:\Users\brenm\anaconda3\envs\.venv\python.exe' 'C:\Users\brenm\anaconda3\envs\.venv\lib\site-packages\pip' install --ignore-installed --no-user --prefix 'C:\Users\brenm\AppData\Local\Temp\pip-build-env-2psge951\overlay' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel 'Cython>=0.28.5' 'numpy==1.13.3; python_version=='"'"'3.6'"'"' and platform_system!='"'"'AIX'"'"' and platform_python_implementation == '"'"'CPython'"'"'' 'numpy==1.14.0; python_version=='"'"'3.6'"'"' and platform_system!='"'"'AIX'"'"' and platform_python_implementation != '"'"'CPython'"'"'' 'numpy==1.14.5; python_version=='"'"'3.7'"'"' and platform_system!='"'"'AIX'"'"'' 'numpy==1.17.3; python_version>='"'"'3.8'"'"' and platform_system!='"'"'AIX'"'"'' 'numpy==1.16.0; python_version=='"'"'3.6'"'"' and platform_system=='"'"'AIX'"'"'' 'numpy==1.16.0; python_version=='"'"'3.7'"'"' and platform_system=='"'"'AIX'"'"'' 'numpy==1.17.3; python_version>='"'"'3.8'"'"' and platform_system=='"'"'AIX'"'"'' 'scipy>=0.19.1' Check the logs for full command output. 

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The issue is that you're running on Python 3.9. The currently released versions of Qiskit did not have support for Python 3.9 and therefore didn't include precompiled binaries for 3.9 environments. So what is happening is that pip is trying to build Qiskit from source, as a fallback because compatible binaries were not found, which is failing because you're missing build dependencies. The next Qiskit release will include Python 3.9 support and publish binaries for Python 3.9 too. That being said you can fix this in the short term by changing conda create -n <environment-name> python=3 to a more specific python version like: conda create -n <environment-name> python=3.8 to use a version of Python that the current release has compatible binaries for.

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