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Home/ Questions/Q 7397899
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Editorial Team
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Editorial Team
Asked: May 29, 20262026-05-29T03:48:19+00:00 2026-05-29T03:48:19+00:00

In my app, I’m running a following command on Python26 locally: json.loads(‘xxxx \ud83d xxxx’);

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In my app, I’m running a following command on Python26 locally:

json.loads(‘”xxxx \ud83d xxxx”‘);

And it parses the string no problem.

But once I upload the code to the GAE server, the following error appears:

"Invalid \uXXXX\uXXXX surrogate pair"

Any suggestions? Could it be because I’m running python2.6 locally, and GAE is running on python2.5?
The string that causes problem is from an API from a well known site, so it’s 100% percent valid. How do I force GAE to parse it correctly?

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  1. Editorial Team
    Editorial Team
    2026-05-29T03:48:19+00:00Added an answer on May 29, 2026 at 3:48 am

    IMO the json implementations on your computer and on GAE differ. Here is a simplejson implementation which tells you what are the conditions to get the error.

    Update: It looks like you have to prefix your string with u like u"xxxx \ud83d xxxx"

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