he11olx

This issue is related to [swagger-js 13cddf28](https://github.com/swagger-api/swagger-js/commit/13cddf28852109b3a9e033856f3d5f075fb15e11). The `v-cors-patch` commit prevents the transmission of 3 header parameters.  Perhaps we should consider making some improvements regarding this?

Assuming we have three sections of code, s1, s2, and s3, which are loaded using Eval. Additionally, let's assume g is used to retrieve the value from the previous section...

Looks like not a bug but a feature. But In REPL, executing two `import "fmt" ` will also report errors. ```bash ➜ yaegi > import "fmt" : 0x14000030120 > import...