go mod dep error

[Icedroid]

$ go mod tidy
github.com/heptiolabs/eventrouter/sinks imports
github.com/Azure/azure-event-hubs-go/v2 imports
github.com/Azure/go-autorest/autorest/azure: ambiguous import: found github.com/Azure/go-autorest/autorest/azure in multiple modules:
github.com/Azure/go-autorest v12.0.0+incompatible (/Users/wiwen/go/pkg/mod/github.com/!azure/go-autorest@v12.0.0+incompatible/autorest/azure)
github.com/Azure/go-autorest/autorest v0.10.0 (/Users/wiwen/go/pkg/mod/github.com/!azure/go-autorest/autorest@v0.10.0/azure)
github.com/heptiolabs/eventrouter/sinks imports
github.com/Azure/azure-event-hubs-go/v2 imports
github.com/Azure/go-autorest/autorest/date: ambiguous import: found github.com/Azure/go-autorest/autorest/date in multiple modules:
github.com/Azure/go-autorest v12.0.0+incompatible (/Users/wiwen/go/pkg/mod/github.com/!azure/go-autorest@v12.0.0+incompatible/autorest/date)
github.com/Azure/go-autorest/autorest/date v0.2.0 (/Users/wiwen/go/pkg/mod/github.com/!azure/go-autorest/autorest/date@v0.2.0)
github.com/heptiolabs/eventrouter/sinks imports
github.com/Azure/azure-event-hubs-go/v2 imports
github.com/Azure/azure-amqp-common-go/v2/aad imports
github.com/Azure/go-autorest/autorest/adal: ambiguous import: found github.com/Azure/go-autorest/autorest/adal in multiple modules:
github.com/Azure/go-autorest v12.0.0+incompatible (/Users/wiwen/go/pkg/mod/github.com/!azure/go-autorest@v12.0.0+incompatible/autorest/adal)
github.com/Azure/go-autorest/autorest/adal v0.8.2 (/Users/wiwen/go/pkg/mod/github.com/!azure/go-autorest/autorest/adal@v0.8.2)
github.com/heptiolabs/eventrouter/sinks imports
github.com/Azure/azure-event-hubs-go/v2 imports
github.com/Azure/azure-sdk-for-go/services/eventhub/mgmt/2017-04-01/eventhub imports
github.com/Azure/go-autorest/autorest: ambiguous import: found github.com/Azure/go-autorest/autorest in multiple modules:
github.com/Azure/go-autorest v12.0.0+incompatible (/Users/wiwen/go/pkg/mod/github.com/!azure/go-autorest@v12.0.0+incompatible/autorest)
github.com/Azure/go-autorest/autorest v0.10.0 (/Users/wiwen/go/pkg/mod/github.com/!azure/go-autorest/autorest@v0.10.0)
github.com/heptiolabs/eventrouter/sinks imports
github.com/Azure/azure-event-hubs-go/v2 imports
github.com/Azure/azure-sdk-for-go/services/eventhub/mgmt/2017-04-01/eventhub imports
github.com/Azure/go-autorest/tracing: ambiguous import: found github.com/Azure/go-autorest/tracing in multiple modules:
github.com/Azure/go-autorest v12.0.0+incompatible (/Users/wiwen/go/pkg/mod/github.com/!azure/go-autorest@v12.0.0+incompatible/tracing)
github.com/Azure/go-autorest/tracing v0.5.0 (/Users/wiwen/go/pkg/mod/github.com/!azure/go-autorest/tracing@v0.5.0)