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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_gae_labels(self):
 """Return the labels for GAE app. If the trace ID can be detected, it will be included as a label. Currently, no other labels are included. :rtype: dict :returns: Labels for GAE app. """

        gae_labels = {}

        trace_id = get_trace_id()
        if trace_id is not None:
            gae_labels[_TRACE_ID_LABEL] = trace_id

        return gae_labels