Getting error while installing backend dependencies for spacy

install spacy
pip install spacy error
pip install blis error
modulenotfounderror: no module named spacy
conda uninstall spacy
failed building wheel for spacy
spacy virtualenv
error: could not build wheels for spacy which use pep 517 and cannot be installed directly

I am trying to install spacy on python virtual environment. My platform is Windows 10. After activating my virtual environment, I am using pip-

pip install -U spacy

Here is the error that I am getting: at step- Installing backend dependencies

ERROR: Command errored out with exit status 1: command: 'c:\users\leena\desktop\pythonfiles\myenv\scripts\python.exe' 'c:\users\leena\desktop\pythonfiles\myenv\lib\site-packages\pip' install --ignore-installed --no-user --prefix 'C:\Users\leena\AppData\Local\Temp\pip-build-env-2gxeo4kh\normal' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'murmurhash<1.1.0,>=0.28.0' 'cython>=0.25' wheel 'thinc<7.2.0,>=7.1.1' 'preshed<3.1.0,>=3.0.2' 'cymem<2.1.0,>=2.0.2'

I tried upgrading pip to latest version, deleting cache, trying to install wheels independently(getting 'not a supported wheel on this platform' error).

I am getting error at Running setup.py install for blis: started Running setup.py install for blis: finished with status 'error' Here is the full log:

ERROR: Command errored out with exit status 1: command: 'c:\users\leena\desktop\pythonfiles\genv\scripts\python.exe' 'c:\users\leena\desktop\pythonfiles\genv\lib\site-packages\pip' install --ignore-installed --no-user --prefix 'C:\Users\leena\AppData\Local\Temp\pip-build-env-7eropvdx\normal' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'cython>=0.25' 'murmurhash<1.1.0,>=0.28.0' 'cymem<2.1.0,>=2.0.2' 'preshed<3.1.0,>=3.0.2' wheel 'thinc<7.2.0,>=7.1.1' cwd: None Complete output (62 lines): Collecting cython>=0.25 Downloading https://files.pythonhosted.org/packages/ba/08/4f0d09d63b713955f9c6937923f1b1432331f468912b65824b19b9d82d19/Cython-0.29.13-cp37-cp37m-win32.whl (1.6MB) Collecting murmurhash<1.1.0,>=0.28.0 Downloading https://files.pythonhosted.org/packages/22/e9/411be1845f1ac07ae3bc40a4b19ba401819baed4fa63b4f5ef28b2300eb4/murmurhash-1.0.2.tar.gz Collecting cymem<2.1.0,>=2.0.2 Downloading https://files.pythonhosted.org/packages/eb/cb/4ff546a491f764f67284572d25c57927e3f17103adf979bc99d90128f3eb/cymem-2.0.2-cp37-cp37m-win32.whl Collecting preshed<3.1.0,>=3.0.2 Downloading https://files.pythonhosted.org/packages/5f/14/de231123ddbe0bf12bd9b1993122d67f22859643bee4dad3b6ce91986336/preshed-3.0.2.tar.gz (167kB) Collecting wheel Downloading https://files.pythonhosted.org/packages/00/83/b4a77d044e78ad1a45610eb88f745be2fd2c6d658f9798a15e384b7d57c9/wheel-0.33.6-py2.py3-none-any.whl Collecting thinc<7.2.0,>=7.1.1 Downloading https://files.pythonhosted.org/packages/38/13/fe9cbdc0a97578d13063352ecc9cc3d1e0dda2e59aa68cc91428b2a1b106/thinc-7.1.1.tar.gz (1.9MB) Collecting blis<0.5.0,>=0.4.0 (from thinc<7.2.0,>=7.1.1) Downloading https://files.pythonhosted.org/packages/98/5a/f9b8a78e3d1fdde1b0215413d88ab55d907ab81f95b62418a6e9cda30dec/blis-0.4.1.tar.gz (1.8MB) Collecting wasabi<1.1.0,>=0.0.9 (from thinc<7.2.0,>=7.1.1) Downloading https://files.pythonhosted.org/packages/f4/c1/d76ccdd12c716be79162d934fe7de4ac8a318b9302864716dde940641a79/wasabi-0.2.2-py3-none-any.whl Collecting srsly<1.1.0,>=0.0.6 (from thinc<7.2.0,>=7.1.1) Downloading https://files.pythonhosted.org/packages/b0/63/b68061954228346cbab2c41adb36339678605c47da016f5c71c7ef65f510/srsly-0.1.0.tar.gz (186kB) Collecting numpy>=1.7.0 (from thinc<7.2.0,>=7.1.1) Downloading https://files.pythonhosted.org/packages/a8/ce/36f9b4fbc7e675a7c8a3809dd5902e24cecfcdbc006e8a7b2417c2b830a2/numpy-1.17.2-cp37-cp37m-win32.whl (10.8MB) Collecting plac<1.0.0,>=0.9.6 (from thinc<7.2.0,>=7.1.1) Downloading https://files.pythonhosted.org/packages/9e/9b/62c60d2f5bc135d2aa1d8c8a86aaf84edb719a59c7f11a4316259e61a298/plac-0.9.6-py2.py3-none-any.whl Collecting tqdm<5.0.0,>=4.10.0 (from thinc<7.2.0,>=7.1.1) Downloading https://files.pythonhosted.org/packages/e1/c1/bc1dba38b48f4ae3c4428aea669c5e27bd5a7642a74c8348451e0bd8ff86/tqdm-4.36.1-py2.py3-none-any.whl (52kB) Installing collected packages: cython, murmurhash, cymem, preshed, wheel, numpy, blis, wasabi, srsly, plac, tqdm, thinc Running setup.py install for murmurhash: started Running setup.py install for murmurhash: finished with status 'done' Running setup.py install for preshed: started Running setup.py install for preshed: finished with status 'done' Running setup.py install for blis: started Running setup.py install for blis: finished with status 'error' ERROR: Command errored out with exit status 1: command: 'c:\users\leena\desktop\pythonfiles\genv\scripts\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\leena\AppData\Local\Temp\pip-install-a7b1os69\blis\setup.py'"'"'; file='"'"'C:\Users\leena\AppData\Local\Temp\pip-install-a7b1os69\blis\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\leena\AppData\Local\Temp\pip-record-v80ehmnh\install-record.txt' --single-version-externally-managed --prefix 'C:\Users\leena\AppData\Local\Temp\pip-build-env-7eropvdx\normal' --compile --install-headers 'c:\users\leena\desktop\pythonfiles\genv\include\site\python3.7\blis' cwd: C:\Users\leena\AppData\Local\Temp\pip-install-a7b1os69\blis\ Complete output (25 lines): BLIS_COMPILER? 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Installer;C:\Tools\GitVersion;C:\Tools\PsTools;C:\Program Files\Git LFS;C:\Program Files (x86)\Subversion\bin;C:\Program Files\Microsoft SQL Server\120\Tools\Binn;C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\110\Tools\Binn;C:\Program Files (x86)\Microsoft SQL Server\120\Tools\Binn;C:\Program Files\Microsoft SQL Server\120\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\120\Tools\Binn\ManagementStudio;C:\Tools\WebDriver;C:\Program Files (x86)\Microsoft SDKs\TypeScript\1.4;C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\PrivateAssemblies;C:\Program Files (x86)\Microsoft SDKs\Azure\CLI\wbin;C:\Ruby193\bin;C:\Tools\NUnit\bin;C:\Tools\xUnit;C:\Tools\MSpec;C:\Tools\Coverity\bin;C:\Program Files (x86)\CMake\bin;C:\go\bin;C:\Program Files\Java\jdk1.8.0\bin;C:\Python27;C:\Program Files\nodejs;C:\Program Files (x86)\iojs;C:\Program Files\iojs;C:\Program Files\Microsoft SQL Server\130\Tools\Binn;C:\Program Files (x86)\MSBuild\14.0\Bin;C:\Tools\NuGet;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TestWindow;C:\Program Files\Microsoft DNX\Dnvm;C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\130\Tools\Binn;C:\Program Files (x86)\Microsoft SQL Server\130\Tools\Binn;C:\Program Files (x86)\Microsoft SQL Server\130\DTS\Binn;C:\Program Files\Microsoft SQL Server\130\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\110\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\120\DTS\Binn;C:\Program Files (x86)\Apache\Maven\bin;C:\Python27\Scripts;C:\Tools\NUnit3;C:\Program Files\Mercurial;C:\Program Files\dotnet;C:\Tools\curl\bin;C:\Program Files\Amazon\AWSCLI;C:\Program Files (x86)\Microsoft SQL Server\140\DTS\Binn;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\Extensions\Microsoft\SQLDB\DAC\140;C:\Tools\vcpkg;C:\Program Files (x86)\Microsoft SQL Server\140\Tools\Binn;C:\Program Files\Microsoft SQL Server\140\Tools\Binn;C:\Program Files\Microsoft SQL Server\140\DTS\Binn;C:\Program Files\erl9.2\bin;C:\Program Files (x86)\NSIS;C:\Tools\Octopus;C:\Program Files\Git\cmd;C:\Program Files\Git\usr\bin;C:\Program Files\Microsoft Service Fabric\bin\Fabric\Fabric.Code;C:\Program Files\Microsoft SDKs\Service Fabric\Tools\ServiceFabricLocalClusterManager;C:\Program Files\LLVM\bin;C:\Program Files (x86)\Yarn\bin;C:\Users\appveyor\AppData\Roaming\npm;C:\Program Files\PowerShell\6;C:\Program Files (x86)\nodejs;C:\ProgramData\chocolatey\bin;C:\Users\appveyor\.dotnet\tools;C:\Users\appveyor\AppData\Local\Yarn\bin;C:\Users\appveyor\AppData\Roaming\npm;C:\Program Files\AppVeyor\BuildAgent;C:\blis\lib;C:\Program Files\Git\usr\bin\vendor_perl;C:\Program Files\Git\usr\bin\core_perl', 'PROGRAMFILES(X86)': 'C:\Program Files (x86)', 'TERM': 'cygwin', 'PS1': '\[\033]0;$TITLEPREFIX:$PWD\007\]\n\[\033[32m\]\u@\h \[\033[35m\]$MSYSTEM \[\033[33m\]\w\[\033[36m\]__git_ps1\[\033[0m\]\n$ ', 'INCLUDE': 'C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE;C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\ATLMFC\INCLUDE;C:\Program Files (x86)\Windows Kits\10\include\10.0.14393.0\ucrt;C:\Program Files (x86)\Windows Kits\NETFXSDK\4.6.1\include\um;C:\Program Files (x86)\Windows Kits\10\include\10.0.14393.0\shared;C:\Program Files (x86)\Windows Kits\10\include\10.0.14393.0\um;C:\Program Files (x86)\Windows Kits\10\include\10.0.14393.0\winrt;', 'APPVEYOR_REPO_COMMIT_MESSAGE': 'Fiddle with appveyor', 'VS120COMNTOOLS': 'C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\Tools\', 'NETFXSDKDIR': 'C:\Program Files (x86)\Windows Kits\NETFXSDK\4.6.1\', 'VSINSTALLDIR': 'C:\Program Files (x86)\Microsoft Visual Studio 14.0\', 'PLATFORM': 'X64', 'LOCALAPPDATA': 'C:\Users\appveyor\AppData\Local', 'EXTENSIONSDKDIR': 'C:\Program Files (x86)\Microsoft SDKs\Windows Kits\10\ExtensionSDKs', 'APPVEYOR_BUILD_VERSION': '1.0.483', 'APPVEYOR_REPO_SCM': 'git', 'MSYSTEM': 'MSYS', 'PROGRAMDATA': 'C:\ProgramData', 'APPVEYOR_JOB_NUMBER': '1', 'AS': 'llvm-as', 'AR': 'llvm-ar', 'APPVEYOR_ACCOUNT_NAME': 'honnibal', 'FP_NO_HOST_CHECK': 'NO', 'COMMONPROGRAMW6432': 'C:\Program Files\Common Files', 'OLDPWD': 'C:/projects/cython-blis-h674r/flame-blis', 'DXSDK_DIR': 'C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\', '7ZIP': '"C:\Program Files\7-Zip\7z.exe"', 'PWD': 'C:/projects/cython-blis', 'CFLAGS': '-Wno-macro-redefined', 'UNIVERSALCRTSDKDIR': 'C:\Program Files (x86)\Windows Kits\10\', 'VCINSTALLDIR': 'C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\'}error: [WinError 2] The system cannot find the file specified

  clang -c C:\Users\leena\AppData\Local\Temp\pip-install-a7b1os69\blis\blis\_src\config\bulldozer\bli_cntx_init_bulldozer.c

-o C:\Users\leena\AppData\Local\Temp\tmph04gz6ym\bli_cntx_init_bulldozer.o -O3 -std=c99 -D_POSIX_C_SOURCE=200112L -DBLIS_VERSION_STRING="0.5.1" -DBLIS_IS_BUILDING_LIBRARY -Iinclude\windows-x86_64 -I.\frame\3\ -I.\frame\ind\ukernels\ -I.\frame\1m\ -I.\frame\1f\ -I.\frame\1\ -I.\frame\include -IC:\Users\leena\AppData\Local\Temp\pip-install-a7b1os69\blis\blis_src\include\windows-x86_64 ---------------------------------------- ERROR: Command errored out with exit status 1: 'c:\users\leena\desktop\pythonfiles\genv\scripts\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\leena\AppData\Local\Temp\pip-install-a7b1os69\blis\setup.py'"'"'; file='"'"'C:\Users\leena\AppData\Local\Temp\pip-install-a7b1os69\blis\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\leena\AppData\Local\Temp\pip-record-v80ehmnh\install-record.txt' --single-version-externally-managed --prefix 'C:\Users\leena\AppData\Local\Temp\pip-build-env-7eropvdx\normal' --compile --install-headers 'c:\users\leena\desktop\pythonfiles\genv\include\site\python3.7\blis' Check the logs for full command output. ---------------------------------------- ERROR: Command errored out with exit status 1: 'c:\users\leena\desktop\pythonfiles\genv\scripts\python.exe' 'c:\users\leena\desktop\pythonfiles\genv\lib\site-packages\pip' install --ignore-installed --no-user --prefix 'C:\Users\leena\AppData\Local\Temp\pip-build-env-7eropvdx\normal' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'cython>=0.25' 'murmurhash<1.1.0,>=0.28.0' 'cymem<2.1.0,>=2.0.2' 'preshed<3.1.0,>=3.0.2' wheel 'thinc<7.2.0,>=7.1.1' Check the logs for full command output.


I was facing the same issue having same configuration 64 bit Windows 10 and 32 bit python 3.7+ .

Actually the problem is we can't build Blis with 32 bit python, so you have to use 64 bit python.

I have done the same and now it is working.

Check out official spacy issues (Reference) :- Failed building wheel for blis when installing spacy-nightly through pip

Can't install pip requirements when installing Spacy from source , I'm having extreme issues trying to install spaCy locally, I've read all the docs, '​pip install -U spacy' but this fails when installing backend dependencies. install blis, I also tried to do this individually but got the same error. I initially tried 'pip install spacy' & 'pip install -U spacy' but this fails when installing backend dependencies. When these both failed, I checked my pip was updated (tried deleting pip cache as well), and my python was definitely 64-bit.


As for the wheel, you might have downloaded the wheel file for a different platform. Also, I am not sure why you are trying to flag '-U' though you are installing the package in a virtual environment. If your environment is active, try to install it without the flag and show the result.

Why spacy is not installing? · Issue #4893 · explosion/spaCy · GitHub, Getting requirements to build wheel done. Installing backend dependencies error. ERROR: Command errored out with exit status 1: I tried to install spacy in windows 10, I have python 3.5, the installation was made using anaconda also I have Microsoft Visual C++ 15. The reason I tried with pip instead of conda is because, conda spacy packages are very old and I wan


Use: conda install -c conda-forge implicit

and then type

pip install -U spacy

Install spaCy · spaCy Usage Documentation, Import error: No module named spacy​​ If you're using a virtual environment, make sure it's activated and check that spaCy is installed in that environment – otherwise, you're trying to load a system installation. You can also run which python to find out where your Python executable is located. During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Users\admin\AppData\Local\Temp\easy_install-rlk2rdhi umpy-1.18.1\tools\cythonize.py", line 238, in <module> main() File "C:\Users\admin\AppData\Local\Temp\easy_install-rlk2rdhi umpy-1.18.1\tools\cythonize.py", line 234, in main find


Can not install spacy package on windows 10 via pip, I am trying to install spacy in my windows 10 OS. Also I was trying to install dependency package of spacy thinc , It also gives same error. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.


spacy · PyPI, Industrial-strength Natural Language Processing (NLP) in Python. Bug Reports​, GitHub Issue Tracker. Feature Requests, GitHub Issue Tracker Ubuntu. Install system-level dependencies via apt-get : sudo apt-get install  ERROR: Failed building wheel for spacy Running setup.py clean for spacy Failed to build spacy ERROR: Could not build wheels for spacy which use PEP 517 and cannot be installed directly Can someone please help?


How to Install SpaCy on Windows(SpaCy NLP), How to Install SpaCy on Windows(SpaCy NLP) In this tutorial we will learn how to install Duration: 5:14 Posted: May 3, 2018 Dismiss Join GitHub today. GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together.