Fix Python code sample JSON body#2976

rodrcastro wants to merge 3 commits intomainGitbookIO/gitbook:mainfrom

rodrigo/rnd-6538-json-body-in-python-code-sample-is-not-being-setGitbookIO/gitbook:rodrigo/rnd-6538-json-body-in-python-code-sample-is-not-being-setCopy head branch name to clipboard