Fix.

node_modules/jsesc/package.json

@@ -0,0 +1,85 @@
+{
+  "_from": "jsesc@^2.5.1",
+  "_id": "jsesc@2.5.2",
+  "_inBundle": false,
+  "_integrity": "sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA==",
+  "_location": "/jsesc",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "jsesc@^2.5.1",
+    "name": "jsesc",
+    "escapedName": "jsesc",
+    "rawSpec": "^2.5.1",
+    "saveSpec": null,
+    "fetchSpec": "^2.5.1"
+  },
+  "_requiredBy": [
+    "/@babel/generator"
+  ],
+  "_resolved": "https://registry.npmjs.org/jsesc/-/jsesc-2.5.2.tgz",
+  "_shasum": "80564d2e483dacf6e8ef209650a67df3f0c283a4",
+  "_spec": "jsesc@^2.5.1",
+  "_where": "E:\\github\\setup-python\\node_modules\\@babel\\generator",
+  "author": {
+    "name": "Mathias Bynens",
+    "url": "https://mathiasbynens.be/"
+  },
+  "bin": {
+    "jsesc": "bin/jsesc"
+  },
+  "bugs": {
+    "url": "https://github.com/mathiasbynens/jsesc/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.",
+  "devDependencies": {
+    "coveralls": "^2.11.6",
+    "grunt": "^0.4.5",
+    "grunt-template": "^0.2.3",
+    "istanbul": "^0.4.2",
+    "mocha": "*",
+    "regenerate": "^1.3.0",
+    "requirejs": "^2.1.22"
+  },
+  "engines": {
+    "node": ">=4"
+  },
+  "files": [
+    "LICENSE-MIT.txt",
+    "jsesc.js",
+    "bin/",
+    "man/"
+  ],
+  "homepage": "https://mths.be/jsesc",
+  "keywords": [
+    "buffer",
+    "escape",
+    "javascript",
+    "json",
+    "map",
+    "set",
+    "string",
+    "stringify",
+    "tool"
+  ],
+  "license": "MIT",
+  "main": "jsesc.js",
+  "man": [
+    "man/jsesc.1"
+  ],
+  "name": "jsesc",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/mathiasbynens/jsesc.git"
+  },
+  "scripts": {
+    "build": "grunt template",
+    "cover": "istanbul cover --report 'html' --verbose --dir 'coverage' 'tests/tests.js'",
+    "coveralls": "istanbul cover --verbose --dir 'coverage' 'tests/tests.js' && coveralls < coverage/lcov.info'",
+    "test": "mocha tests"
+  },
+  "version": "2.5.2"
+}