Use stdlib json, not zmq jsonapi

IPython/html/services/kernelspecs/handlers.py

@@ -1,52 +1,50 b''
 """Tornado handlers for kernel specifications."""
 
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.
-
+import json
 from tornado import web
 
-from zmq.utils import jsonapi
-
 from ...base.handlers import IPythonHandler, json_errors
 
 
 class MainKernelSpecHandler(IPythonHandler):
     SUPPORTED_METHODS = ('GET',)
 
     @web.authenticated
     @json_errors
     def get(self):
         ksm = self.kernel_spec_manager
         results = []
         for kernel_name in ksm.find_kernel_specs():
             d = ksm.get_kernel_spec(kernel_name).to_dict()
             d['name'] = kernel_name
             results.append(d)
 
         self.set_header("Content-Type", 'application/json')
-        self.finish(jsonapi.dumps(results))
+        self.finish(json.dumps(results))
 
 
 class KernelSpecHandler(IPythonHandler):
     SUPPORTED_METHODS = ('GET',)
 
     @web.authenticated
     @json_errors
     def get(self, kernel_name):
         ksm = self.kernel_spec_manager
         try:
             kernelspec = ksm.get_kernel_spec(kernel_name)
         except KeyError:
             raise web.HTTPError(404, u'Kernel spec %s not found' % kernel_name)
         self.set_header("Content-Type", 'application/json')
         self.finish(kernelspec.to_json())
 
 
 # URL to handler mappings
 
 kernel_name_regex = r"(?P<kernel_name>\w+)"
 
 default_handlers = [
     (r"/api/kernelspecs", MainKernelSpecHandler),
     (r"/api/kernelspecs/%s" % kernel_name_regex, KernelSpecHandler),
 ]