Extension issue

[ricci11]

• Issue Type: Bug
• Extension Name: python
• Extension Version: 0.2.3
• OS Version: Windows_NT x64 10.0.18363
• VSCode version: 1.54.2

{
	"messages": [
		{
			"type": 3,
			"message": "'configuration.jsonValidation.url' must be an absolute URL or start with './'  to reference schemas located in the extension.",
			"extensionId": {
				"value": "tht13.python",
				"_lower": "tht13.python"
			},
			"extensionPointId": "jsonValidation"
		}
	],
	"activationTimes": {
		"codeLoadingTime": 1247,
		"activateCallTime": 19,
		"activateResolvedTime": 21,
		"activationReason": {
			"startup": false,
			"extensionId": {
				"value": "tht13.python",
				"_lower": "tht13.python"
			},
			"activationEvent": "onLanguage:python"
		}
	},
	"runtimeErrors": [
		{
			"name": "Error",
			"message": "Channel closed"
		},
		{
			"name": "Error",
			"message": "Channel closed"
		}
	]
}