Fix.

node_modules/jest-serializer/package.json

@@ -0,0 +1,49 @@
+{
+  "_from": "jest-serializer@^24.4.0",
+  "_id": "jest-serializer@24.4.0",
+  "_inBundle": false,
+  "_integrity": "sha512-k//0DtglVstc1fv+GY/VHDIjrtNjdYvYjMlbLUed4kxrE92sIUewOi5Hj3vrpB8CXfkJntRPDRjCrCvUhBdL8Q==",
+  "_location": "/jest-serializer",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "jest-serializer@^24.4.0",
+    "name": "jest-serializer",
+    "escapedName": "jest-serializer",
+    "rawSpec": "^24.4.0",
+    "saveSpec": null,
+    "fetchSpec": "^24.4.0"
+  },
+  "_requiredBy": [
+    "/jest-haste-map"
+  ],
+  "_resolved": "https://registry.npmjs.org/jest-serializer/-/jest-serializer-24.4.0.tgz",
+  "_shasum": "f70c5918c8ea9235ccb1276d232e459080588db3",
+  "_spec": "jest-serializer@^24.4.0",
+  "_where": "E:\\github\\setup-python\\node_modules\\jest-haste-map",
+  "bugs": {
+    "url": "https://github.com/facebook/jest/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "Module for serializing and deserializing object into memory and disk. By default, the `v8` implementations are used, but if not present, it defaults to `JSON` implementation. Both serializers have the advantage of being able to serialize `Map`, `Set`, `undefined`, `NaN`, etc, although the JSON one does it through a replacer/reviver.",
+  "engines": {
+    "node": ">= 6"
+  },
+  "gitHead": "a018000fc162db3cfd0ebf9f23fdb734f05821a6",
+  "homepage": "https://github.com/facebook/jest#readme",
+  "license": "MIT",
+  "main": "build/index.js",
+  "name": "jest-serializer",
+  "publishConfig": {
+    "access": "public"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/facebook/jest.git",
+    "directory": "packages/jest-serializer"
+  },
+  "types": "build/index.d.ts",
+  "version": "24.4.0"
+}