Ошибка   npm i gulp-sass --save-dev⁠⁠

подскажите, пожалуйста, что делать. или как установить sass

E:\test>npm i gulp-sass --save-dev

npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142

npm WARN deprecated har-validator@5.1.5: this library is no longer supported

> node-sass@4.14.1 install E:\test\node_modules\node-sass

> node scripts/install.js

Downloading binary from https://github.com/sass/node-sass/releases/download/v4.14.1/...

Cannot download "https://github.com/sass/node-sass/releases/download/v4.14.1/...":

HTTP error 404 Not Found

Hint: If github.com is not accessible in your location

try setting a proxy via HTTP_PROXY, e.g.

export HTTP_PROXY=http://example.com:1234

or configure npm proxy via

npm config set proxy http://example.com:8080

> node-sass@4.14.1 postinstall E:\test\node_modules\node-sass

> node scripts/build.js

Building: C:\Program Files\nodejs\node.exe E:\test\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 'C:\\Program Files\\nodejs\\node.exe',

gyp verb cli 'E:\\test\\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@15.1.0 | win32 | x64

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 "python2" in the PATH

gyp verb `which` failed Error: not found: python2

gyp verb `which` failed at getNotFoundError (E:\test\node_modules\which\which.js:13:12)

gyp verb `which` failed at F (E:\test\node_modules\which\which.js:68:19)

gyp verb `which` failed at E (E:\test\node_modules\which\which.js:80:29)

gyp verb `which` failed at E:\test\node_modules\which\which.js:89:16

gyp verb `which` failed at E:\test\node_modules\isexe\index.js:42:5

gyp verb `which` failed at E:\test\node_modules\isexe\windows.js:36:5

gyp verb `which` failed at FSReqCallback.oncomplete (node:fs:183:21)

gyp verb `which` failed python2 Error: not found: python2

gyp verb `which` failed at getNotFoundError (E:\test\node_modules\which\which.js:13:12)

gyp verb `which` failed at F (E:\test\node_modules\which\which.js:68:19)

gyp verb `which` failed at E (E:\test\node_modules\which\which.js:80:29)

gyp verb `which` failed at E:\test\node_modules\which\which.js:89:16

gyp verb `which` failed at E:\test\node_modules\isexe\index.js:42:5

gyp verb `which` failed at E:\test\node_modules\isexe\windows.js:36:5

gyp verb `which` failed at FSReqCallback.oncomplete (node:fs:183:21) {

gyp verb `which` failed code: 'ENOENT'

gyp verb `which` failed }

gyp verb check python checking for Python executable "python" in the PATH

gyp verb `which` failed Error: not found: python

gyp verb `which` failed at getNotFoundError (E:\test\node_modules\which\which.js:13:12)

gyp verb `which` failed at F (E:\test\node_modules\which\which.js:68:19)

gyp verb `which` failed at E (E:\test\node_modules\which\which.js:80:29)

gyp verb `which` failed at E:\test\node_modules\which\which.js:89:16

gyp verb `which` failed at E:\test\node_modules\isexe\index.js:42:5

gyp verb `which` failed at E:\test\node_modules\isexe\windows.js:36:5

gyp verb `which` failed at FSReqCallback.oncomplete (node:fs:183:21)

gyp verb `which` failed python Error: not found: python

gyp verb `which` failed at getNotFoundError (E:\test\node_modules\which\which.js:13:12)

gyp verb `which` failed at F (E:\test\node_modules\which\which.js:68:19)

gyp verb `which` failed at E (E:\test\node_modules\which\which.js:80:29)

gyp verb `which` failed at E:\test\node_modules\which\which.js:89:16

gyp verb `which` failed at E:\test\node_modules\isexe\index.js:42:5

gyp verb `which` failed at E:\test\node_modules\isexe\windows.js:36:5

gyp verb `which` failed at FSReqCallback.oncomplete (node:fs:183:21) {

gyp verb `which` failed code: 'ENOENT'

gyp verb `which` failed }

gyp verb could not find "python". checking python launcher

gyp verb could not find "python". guessing location

gyp verb ensuring that file exists: C:\Python27\python.exe

gyp ERR! configure error

gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.

gyp ERR! stack at PythonFinder.failNoPython (E:\test\node_modules\node-gyp\lib\configure.js:484:19)

gyp ERR! stack at PythonFinder.<anonymous> (E:\test\node_modules\node-gyp\lib\configure.js:509:16)

gyp ERR! stack at callback (E:\test\node_modules\graceful-fs\polyfills.js:295:20)

gyp ERR! stack at FSReqCallback.oncomplete (node:fs:183:21)

gyp ERR! System Windows_NT 10.0.19041

gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "E:\\test\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="

gyp ERR! cwd E:\test\node_modules\node-sass

gyp ERR! node -v v15.1.0

gyp ERR! node-gyp -v v3.8.0

gyp ERR! not ok

Build failed with error code: 1

npm WARN enoent ENOENT: no such file or directory, open 'E:\test\package.json'

npm WARN test No description

npm WARN test No repository field.

npm WARN test No README data

npm WARN test No license field.

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modules\fsevents):

npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

npm ERR! code ELIFECYCLE

npm ERR! errno 1

npm ERR! node-sass@4.14.1 postinstall: `node scripts/build.js`

npm ERR! Exit status 1

npm ERR!

npm ERR! Failed at the node-sass@4.14.1 postinstall script.

npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in: