return API path instead of filesystem

IPython/html/services/contents/clientsidenbmanager.py

@@ -5,8 +5,6 b''
 
 from .manager import ContentsManager
 
-import os.path
-
 class ClientSideContentsManager(ContentsManager):
     """Dummy contents manager for use with client-side contents APIs like GDrive
 
@@ -25,8 +23,11 b' class ClientSideContentsManager(ContentsManager):'
         return True
 
     def get_kernel_path(self, path, model=None):
-         """Return the initial working dir a kernel associated with a given notebook
+         """Return the API path for the kernel
+         
+         KernelManagers can turn this value into a filesystem path,
+         or ignore it altogether.
          
-         Here just alway return home directory
+         Here just always return home directory
          """
-         return os.path.expanduser('~')
+         return '/'

IPython/html/services/contents/filemanager.py

@@ -606,9 +606,9 b' class FileContentsManager(ContentsManager):'
         return "Serving notebooks from local directory: %s" % self.root_dir
 
     def get_kernel_path(self, path, model=None):
-        """Return the initial working dir a kernel associated with a given notebook"""
+        """Return the initial API path of  a kernel associated with a given notebook"""
         if '/' in path:
             parent_dir = path.rsplit('/', 1)[0]
         else:
             parent_dir = ''
-        return self._get_os_path(parent_dir)
+        return parent_dir