Go deni issue 10948

[HugoMario]

PR checklist

• Read the contribution guidelines.
• Ran the shell script under ./bin/ to update Petstore sample so that CIs can verify the change. (For instance, only need to run ./bin/{LANG}-petstore.sh and ./bin/security/{LANG}-petstore.sh if updating the {LANG} (e.g. php, ruby, python, etc) code generator or {LANG} client's mustache templates). Windows batch files can be found in .\bin\windows\.
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Description of the PR

added option for write binary modes on #10948

So, in order to use wb you must use the option: writeBinary=true, for example:

java -jar modules/swagger-codegen-cli/target/swagger-codegen-cli.jar generate -l python -i input.yaml -o outputFolder --additional-properties writeBinary=true