multiple modules

[beihai0xff]

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• go version:1.13

• gin version (or commit ref):1.4.0

• operating system:

Description

When I use gin and build,there is someting wrong go module like this:
build what5: cannot load github.com/ugorji/go/codec: ambiguous import: found github.com/ugorji/go/codec in multiple modules: github.com/ugorji/go v1.1.4 (C:\Users\beihai\go\pkg\mod\github.com\ugorji\go@v1.1.4\codec) github.com/ugorji/go/codec v0.0.0-20181022190402-e5e69e061d4f (C:\Users\beihai\go\pkg\mod\github.com\ugorji\go\codec@v0.0.0-20181022190402-e5e69e061d4f)

So I try to add github.com/ugorji/go v1.1.7 in my go.mod file,and it works.
Mybe you should fix this in new releases

Screenshots

[thinkerou]

#1673