Gulp-sass not working, what should I do?

Question

gulp.js

Everything worked before. update mac os
write command npm i gulp-sass --save-dev
npm WARN deprecated [email protected]: this library is no longer supported
npm WARN deprecated [email protected]: request has been deprecated, see https:/ /github.com/request/request/issues/3142
npm ERR! code 1
npm ERR! path /Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-sass
npm ERR! command failed
npm ERR! command sh -c node scripts/build.js
npm ERR! Building: /usr/local/bin/node /Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-gyp/bin/node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
npm ERR! gyp info it worked if it ends with ok
npm ERR! gyp verb cli [
npm ERR! gyp verb cli '/usr/local/bin/node',
npm ERR! gyp verb cli '/Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-gyp/bin/node-gyp.js',
npm ERR! gyp verb cli 'rebuild',
npm ERR! gyp verb cli '--verbose',
npm ERR! gyp verb cli '--libsass_ext=',
npm ERR! gyp verb cli '--libsass_cflags=',
npm ERR! gyp verb cli '--libsass_ldflags=',
npm ERR! gyp verb cli '--libsass_library='
npm ERR! gyp verb cli ]
npm ERR! gyp info using [email protected]
npm ERR! gypinfo using [email protected] | darwin | x64
npm ERR! gypverb command rebuild []
npm ERR! gyp verb command clean []
npm ERR! gyp verb clean removing "build" directory
npm ERR! gyp verb command configure []
npm ERR! gyp verb check python checking for Python executable "python2" in the PATH
npm ERR! gyp verb `which` succeeded python2 /usr/bin/python2
npm ERR! gyp verb check python version `/usr/bin/python2 -c "import sys; print "2.7.16
npm ERR! gyp verb check python version .%s.%s" % sys.version_info[:3];"` returned: %j
npm ERR! gyp verb get node dir no --target version specified, falling back to host node version: 15.2.0
npm ERR! gyp verb command install [ '15.2.0' ]
npm ERR! gyp verb install input version string "15.2.0"
npm ERR!
npm ERR! gyp verb install --ensure was passed, so won't reinstall if already installed
npm ERR! gyp verb install version is already installed, need to check "installVersion"
npm ERR! gyp verb got "installVersion" 9
npm ERR! gyp verb needs "installVersion" 9
npm ERR! gyp verb install version is good
npm ERR! gyp verb get node dir target node version installed: 15.2.0
npm ERR! gyp verb build dir attempting to create "build" dir: /Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-sass/build
npm ERR! gyp verb build dir "build" dir needed to be created? /Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-sass/build
npm ERR! gyp verb build/config.
npm ERR! gyp verb build/config.gypi writing out config file: /Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-sass/build/config.gypi
npm ERR! gyp verb config.gypi checking for gypi file: /Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-sass/config.gypi
npm ERR! gyp verb common.gypi checking for gypi file: /Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-sass/common.gypi
npm ERR! gyp verb gyp gyp format was not specified; forcing "make"
npm ERR! gyp info spawn /usr/bin/python2
npm ERR! gyp info spawn args [
npm ERR! gyp info spawn args '/Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-gyp/gyp/gyp_main.py',
npm ERR! gyp info spawn args 'binding.gyp',
npm ERR! gyp info spawn args '-f',
npm ERR! gyp info spawn args 'make',
npm ERR! gyp info spawn args '-I',
npm ERR! gyp info spawn args '/Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-sass/build/config.gypi',
npm ERR! gyp info spawn args '-I',
npm ERR! gyp info spawn args '/Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-gyp/addon.gypi',
npm ERR! gyp info spawn args '-I',
npm ERR! gyp info spawn args '/Users/antonanton/.node-gyp/15.2.0/include/node/common.gypi',
npm ERR! gyp info spawn args '-Dlibrary=shared_library',
npm ERR! gyp info spawn args '-Dvisibility=default',
npm ERR! gyp info spawn args '-Dnode_root_dir=/Users/antonanton/.node-gyp/15.2.0',
npm ERR! gyp info spawn args '-Dnode_gyp_dir=/Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-gyp',
npm ERR! gyp info spawn args '-Dnode_lib_file=/Users/antonanton/.node-gyp/15.2.0/<(target_arch)/node.lib',
npm ERR! gyp info spawn args '-Dmodule_root_dir=/Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-sass',
npm ERR! gyp info spawn args '-Dnode_engine=v8',
npm ERR! gyp info spawn args '--depth=.',
npm ERR! gyp info spawn args '--no-parallel',
npm ERR! gyp info spawn args '--generator-output',
npm ERR! gyp info spawn args 'build',
npm ERR! gyp info spawn args '-Goutput_dir=.'
npm ERR! gyp info spawn args ]
npm ERR! No receipt for 'com.apple.pkg.CLTools_Executables' found at '/'.
npm ERR!
npm ERR! No receipt for 'com.apple.pkg.DeveloperToolsCLILeo' found at '/'.
npm ERR!
npm ERR! No receipt for 'com.apple.pkg.DeveloperToolsCLI' found at '/'.
npm ERR!
npm ERR! gyp: No Xcode or CLT version detected!
npm ERR! gyp ERR! configure error
npm ERR! gyp ERR! stack Error: `gyp` failed with exit code: 1
npm ERR! gyp ERR! stack at ChildProcess.onCpExit (/Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-gyp/lib/configure.js:345:16)
npm ERR! gyp ERR! stack at ChildProcess.emit(node:events:329:20)
npm ERR! gyp ERR! stack at Process.ChildProcess._handle.onexit (node:internal/child_process:277:12)
npm ERR! gyp ERR! System Darwin 20.1.0
npm ERR! gyp ERR! command "/usr/local/bin/node" "/Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-gyp/bin/node-gyp.js" "rebuild" "--verbose" " --libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
npm ERR! gyp ERR! cwd /Users/antonanton/Desktop/Homework/html-advanced/hw2/node_modules/node-sass
npm ERR! gyp ERR! node -v v15.2.0
npm ERR! gyp ERR! node-gyp -v v3.8.0
npm ERR! gyp ERR! not ok
npm ERR! Build failed with error code: 1
how to fix the error???