chore(style): use gofumpt to fmt go code (#967)

idp/alipay.go

@@ -56,12 +56,12 @@ func (idp *AlipayIdProvider) SetHttpClient(client *http.Client) {
 
 // getConfig return a point of Config, which describes a typical 3-legged OAuth2 flow
 func (idp *AlipayIdProvider) getConfig(clientId string, clientSecret string, redirectUrl string) *oauth2.Config {
-	var endpoint = oauth2.Endpoint{
+	endpoint := oauth2.Endpoint{
 		AuthURL:  "https://openauth.alipay.com/oauth2/publicAppAuthorize.htm",
 		TokenURL: "https://openapi.alipay.com/gateway.do",
 	}
 
-	var config = &oauth2.Config{
+	config := &oauth2.Config{
 		Scopes:       []string{"", ""},
 		Endpoint:     endpoint,
 		ClientID:     clientId,
@@ -206,7 +206,6 @@ func (idp *AlipayIdProvider) postWithBody(body interface{}, targetUrl string) ([
 		return nil, err
 	}
 	data, err := ioutil.ReadAll(resp.Body)
-
 	if err != nil {
 		return nil, err
 	}