clean unused command

IPython/frontend/html/notebook/handlers.py

@@ -338,7 +338,7 b' class MainKernelHandler(AuthenticatedHandler):'
 
 class KernelHandler(AuthenticatedHandler):
 
-    SUPPORTED_METHODS = ('POST','DELETE')
+    SUPPORTED_METHODS = ('DELETE')
 
     @web.authenticated
     def delete(self, kernel_id):
@@ -347,6 +347,7 b' class KernelHandler(AuthenticatedHandler):'
         self.set_status(204)
         self.finish()
 
+
 class KernelActionHandler(AuthenticatedHandler):
 
     @web.authenticated
@@ -591,8 +592,6 b' class NotebookRootHandler(AuthenticatedHandler):'
         nbm = self.application.notebook_manager
         km = self.application.kernel_manager
         files = nbm.list_notebooks()
-        #kernel_for_notebook
-        nlist=[]
         for f in files :
             nid = f['notebook_id']
             kid = km.kernel_for_notebook(nid)
@@ -600,9 +599,7 b' class NotebookRootHandler(AuthenticatedHandler):'
                 f['kernel_status']=kid
             else:
                 f['kernel_status']='off'
-            nlist.append(f)
-        print(files)
-        self.finish(jsonapi.dumps(nlist))
+        self.finish(jsonapi.dumps(files))
 
     @web.authenticated
     def post(self):