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yarn install failing import sys; print "%s.%s.%s" % sys.version_info[:3] invalid syntax

When doing yarn install i get this error, but no issues one other projects, also used Brew to install node. Note sure what else should i try, any suggestions?

error */node_modules/node-sass: Command failed.
Exit code: 1
Command: node scripts/build.js
Arguments: 
Directory: */node_modules/node-sass
Output:
Building: /opt/homebrew/Cellar/node@14/14.18.1/bin/node */node_modules/node-gyp/bin/node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
gyp info it worked if it ends with ok
gyp verb cli [
gyp verb cli   '/opt/homebrew/Cellar/node@14/14.18.1/bin/node',
gyp verb cli   '*/node_modules/node-gyp/bin/node-gyp.js',
gyp verb cli   'rebuild',
gyp verb cli   '--verbose',
gyp verb cli   '--libsass_ext=',
gyp verb cli   '--libsass_cflags=',
gyp verb cli   '--libsass_ldflags=',
gyp verb cli   '--libsass_library='
gyp verb cli ]
gyp info using node-gyp@3.8.0
gyp info using node@14.18.1 | darwin | arm64
gyp verb command rebuild []
gyp verb command clean []
gyp verb clean removing "build" directory
gyp verb command configure []
gyp verb check python checking for Python executable "/opt/homebrew/opt/python@3.9/bin/python3" in the PATH
gyp verb `which` succeeded /opt/homebrew/opt/python@3.9/bin/python3 /opt/homebrew/opt/python@3.9/bin/python3
gyp ERR! configure error 
gyp ERR! stack Error: Command failed: /opt/homebrew/opt/python@3.9/bin/python3 -c import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack   File "<string>", line 1
gyp ERR! stack     import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack                       ^
gyp ERR! stack SyntaxError: invalid syntax
gyp ERR! stack 
gyp ERR! stack     at ChildProcess.exithandler (child_process.js:383:12)
gyp ERR! stack     at ChildProcess.emit (events.js:400:28)
gyp ERR! stack     at maybeClose (internal/child_process.js:1058:16)
gyp ERR! stack     at Socket.<anonymous> (internal/child_process.js:443:11)
gyp ERR! stack     at Socket.emit (events.js:400:28)
gyp ERR! stack     at Pipe.<anonymous> (net.js:686:12)
gyp ERR! System Darwin 21.1.0
gyp ERR! command "/opt/homebrew/Cellar/node@14/14.18.1/bin/node" "*/node_modules/node-gyp/bin/node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd */node_modules/node-sass
gyp ERR! node -v v14.18.1

  • MacBook Pro M1 Max
  • Node v16.13.0
  • Npm 6.14.15
over 4 years ago · Santiago Trujillo
10 answers
Answer question

0

After updating MacOS to Monterey, this problem appeared. Simply reinstall and relink node version, and everything fixed.

Changed version to node@14 and fixed it. What i've done:

brew install node@14
brew unlink node
brew link --overwrite node@14

Here is an article with commands I've used https://medium.com/@georgeenathomas/3-step-process-to-downgrade-node-version-using-homebrew-bc0b0a72ae27

over 4 years ago · Santiago Trujillo Report

0

I resolved similar issue by changing node-sass version in package.json to "node-sass": "4.14.1".

My "node --version" = "v14.18.0" and "npm --version" = "6.14.15"

over 4 years ago · Santiago Trujillo Report

0

I removed my brew setup :

brew remove yarn
brew remove node
brew remove node@14

Then reinstalled everything without brew, this link helped me a lot : https://www.jurnalanas.com/node-js-mac-m1/

Finally reinstalled yarn :

rm -rf ~/.yarn
curl -o- -L https://yarnpkg.com/install.sh | bash
over 4 years ago · Santiago Trujillo Report

0

My node-sass version in package.json is 6.0.0 and my node version is 16.13.1. As the node-sass documentations, the node-sass 6.0+ requires Node16 but I still get stuck with the same problem when using the command npm install or yarn

Then, I tried to downgrade to Node14, it worked correctly (??!!). I don't know why and can not find any solutions or explanations on google so far.

over 4 years ago · Santiago Trujillo Report

0

I've had the same problem on the same hardware. Node 17 installed via brew. I checked https://www.npmjs.com/package/node-sass and it says node 17 required node-sass 7.0+. I set node-sass to ^7.0.0 in my package.json which solved the problem for me.

over 4 years ago · Santiago Trujillo Report

0

Fixed (mac os x catalina) by downgrading node@14.

over 4 years ago · Santiago Trujillo Report

0

Fixed by upping the node-sass version

over 4 years ago · Santiago Trujillo Report

0

I'm getting this error while building the Vue.js and adding the Buefy to it:

File "<string>", line 1
gyp ERR! stack     import sys; print "%s.%s.%s" % sys.version_info[:3];

It seems that in my case the problem was that the version of node was not compatible with the version of node-sass in the package.json.

So the solution is to find a node-sass version compatible with the version of node installed on your machine.

Since I'm working on a fresh project to fix I could simply update my node the the last version and then use the node-sass compatible with it. Check this list to find out what's compatible

In my case this I did the following

1 | I updated the NODE to the last version (v16 in my case)

npm cache clean -f
npm install -g n
n stable

2 | I changed my node-sass version to the one compatible with node v16 in the package.json which is "node-sass": "~6.0",

Now, if I run yarn install it works like a charm

over 4 years ago · Santiago Trujillo Report

0

For me it was enough to remove yarn.lock and run yarn install again.

over 4 years ago · Santiago Trujillo Report

0

There is a bug in print "%s.%s.%s" % sys.version_info[:3]; parentheses missed, it should be print("%s.%s.%s" % sys.version_info[:3]);

over 4 years ago · Santiago Trujillo Report
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