The gulp-sass module is not installed, what should I do?

Question

Node.js

Error installing gulp-sass module. Installed the gyp module, demolished and reinstalled node.js (including trying different versions).
Building: C:\Program Files\nodejs\node.exe C:\Users\ALECHI~1\Desktop\slider\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 [ 'C:\\Program Files\\nodejs\\node.exe',
gyp verb cli 'C:\\Users\\ ALECHI~1\\Desktop\\slider\\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 info using [email protected]
gyp info using [email protected] | 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 (C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users \ALECHI~1\Desktop\slider\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js :80:29)
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop\slider \node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop\slider\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:153:21)
gyp verb `which` failed python2 { Error: not found: python2
gyp verb `which` failed at getNotFoundError (C:\Users\ALECHI~1\Desktop\slider\node_modules\ which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:80:29)
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop\slider \node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop\slider\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:153:21)
gyp verb `which` failed stack:
gyp verb `which` failed 'Error: not found: python2\n at getNotFoundError (C:\\Users\\ALECHI~1\\Desktop\\slider\\node_modules\\which\\which.js:13:12) \n at F (C:\\Users\\ALECHI~1\\Desktop\\slider\\node_modules\\which\\which.js:68:19)\n at E (C:\\Users\\ALECHI ~1\\Desktop\\slider\\node_modules\\which\\which.js:80:29)\n at C:\\Users\\ALECHI~1\\Desktop\\slider\\node_modules\\which\ \which.js:89:16\n at C:\\Users\\ALECHI~1\\Desktop\\slider\\node_modules\\isexe\\index.js:42:5\n at C:\\Users \\ALECHI~1\\Desktop\\slider\\node_modules\\isexe\\windows.js:36:5\n at FSReqWrap.oncomplete (fs.js:153:21)',
gyp verb `which` failed code : 'ENOENT' }
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 (C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\ALECHI~ 1\Desktop\slider\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:80: 29)
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop \slider\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop\slider\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:153:21)
gyp verb `which` failed python { Error: not found: python
gyp verb `which` failed at getNotFoundError (C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\ALECHI~ 1\Desktop\slider\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:80: 29)
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop\slider\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop \slider\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\ALECHI~1\Desktop\slider\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:153:21)
gyp verb `which` failed stack:
gyp verb `which` failed 'Error: not found: python\n at getNotFoundError (C:\\Users\\ALECHI~1\\Desktop\\slider\\node_modules\\which\\which.js:13:12) \n at F (C:\\Users\\ALECHI~1\\Desktop\\slider\\node_modules\\which\\which.js:68:19)\n at E (C:\\Users\\ALECHI ~1\\Desktop\\slider\\node_modules\\which\\which.js:80:29)\n at C:\\Users\\ALECHI~1\\Desktop\\slider\\node_modules\\which\ \which.js:89:16\n at C:\\Users\\ALECHI~1\\Desktop\\slider\\node_modules\\isexe\\index.js:42:5\n at C:\\Users \\ALECHI~1\\Desktop\\slider\\node_modules\\isexe\\windows.js:36:5\n at FSReqWrap.oncomplete (fs.js:153:21)',
gyp verb `which` failed code : 'ENOENT' }
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 (C:\Users\ALECHI~1\Desktop\slider\node_modules\node-gyp\lib\configure.js:484:19)
gyp ERR! stack at PythonFinder. (C:\Users\ALECHI~1\Desktop\slider\node_modules\node-gyp\lib\configure.js:509:16)
gyp ERR! stack at callback (C:\Users\ALECHI~1\Desktop\slider\node_modules\graceful-fs\polyfills.js:295:20)
gyp ERR! stack at FSReqWrap.oncomplete (fs.js:153:21)
gyp ERR! System Windows_NT 6.1.7601
gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\ALECHI~1\\Desktop\\slider\\node_modules\\node-gyp\\bin\\node-gyp .js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd C:\Users\ALECHI~1\Desktop\slider\node_modules\node-sass
gyp ERR! node -v v10.16.3
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
Build failed with error code: 1
npm WARN [email protected] No description
npm WARN [email protected] No repository field.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\fsevents):
code ELIFECYCLE npm ERR! errno 1
npm ERR! [email protected] postinstall: `node scripts/build.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] 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:
npm ERR! C:\Users\alechina_tn\AppData\Roaming\npm-cache\_logs\2019-09-05T14_16_49_356Z-debug.log