npm install on windows 7 python2 not found error and node-sass@3.13.1 error #317

Before I write all, I'd like to say that before the update everything worked well; while updating node from version 7.2.1 to version 9.4.0 and npm from version 5.5.1 to version 5.6.0 in Windows 7 (64-bit) using the installer (https://nodejs.org/en/download/) and installing globally gulp-cli version 2.0.0, as far as npm install starts from the JointsWP folder I get the following error:

$ npm install
npm WARN deprecated babel-preset-es2015@6.24.1: รฐ Thanks for using Babel: we recommend using babel-preset-env now: please read babeljs.io/env to update!
npm WARN deprecated gulp-util@3.0.8: gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5
npm WARN deprecated minimatch@2.0.10: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue

> uws@0.14.5 install C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\uws
> node-gyp rebuild > build_log.txt 2>&1 || exit 0

> node-sass@3.13.1 install C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\node-sass
> node scripts/install.js

Downloading binary from https://github.com/sass/node-sass/releases/download/v3.13.1/win32-x64-59_binding.node
Cannot download "https://github.com/sass/node-sass/releases/download/v3.13.1/win32-x64-59_binding.node":

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@3.13.1 postinstall C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\node-sass
> node scripts/build.js

Building: C:\Program Files\nodejs\node.exe C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\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\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\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 node-gyp@3.6.2
gyp info using node@9.4.0 | 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 (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:80:29)
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:166:21)
gyp verb `which` failed python2 { Error: not found: python2
gyp verb `which` failed at getNotFoundError (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:80:29)
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:166:21)
gyp verb `which` failed stack: 'Error: not found: python2\n at getNotFoundError (C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\which\\which.js:13:12)\n at F (C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\which\\which.js:68:19)\n at E (C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\which\\which.js:80:29)\n at C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\which\\which.js:89:16\n at C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\isexe\\index.js:42:5\n at C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\isexe\\windows.js:36:5\n at FSReqWrap.oncomplete (fs.js:166:21)',
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\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:80:29)
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:166:21)
gyp verb `which` failed python { Error: not found: python
gyp verb `which` failed at getNotFoundError (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:13:12)
gyp verb `which` failed at F (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:68:19)
gyp verb `which` failed at E (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:80:29)
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\which\which.js:89:16
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\isexe\index.js:42:5
gyp verb `which` failed at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\isexe\windows.js:36:5
gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:166:21)
gyp verb `which` failed stack: 'Error: not found: python\n at getNotFoundError (C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\which\\which.js:13:12)\n at F (C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\which\\which.js:68:19)\n at E (C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\which\\which.js:80:29)\n at C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\which\\which.js:89:16\n at C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\isexe\\index.js:42:5\n at C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\isexe\\windows.js:36:5\n at FSReqWrap.oncomplete (fs.js:166:21)',
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\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\node-gyp\lib\configure.js:483:19)
gyp ERR! stack at PythonFinder. (C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\node-gyp\lib\configure.js:508:16)
gyp ERR! stack at C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\graceful-fs\polyfills.js:284:29
gyp ERR! stack at FSReqWrap.oncomplete (fs.js:166:21)
gyp ERR! System Windows_NT 6.1.7601
gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\Bob\\Dropbox\\Development\\vhosts\\mongoose-project\\vanilla\\themes\\JointsWP\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd C:\Users\Bob\Dropbox\Development\vhosts\mongoose-project\vanilla\themes\JointsWP\node_modules\node-sass
gyp ERR! node -v v9.4.0
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok
Build failed with error code: 1
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.1.3 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@3.13.1 postinstall: `node scripts/build.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-sass@3.13.1 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:
npm ERR! C:\Users\Bob\AppData\Roaming\npm-cache\_logs\2018-01-13T10_31_53_892Z-debug.log

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