FIXED, don't try to create an empty directory

IPython/nbconvert/post_processors/serve.py

@@ -1,54 +1,55 b''
 """
 Contains postprocessor for serving nbconvert output.
 """
 #-----------------------------------------------------------------------------
 #Copyright (c) 2013, the IPython Development Team.
 #
 #Distributed under the terms of the Modified BSD License.
 #
 #The full license is in the file COPYING.txt, distributed with this software.
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------
 # Imports
 #-----------------------------------------------------------------------------
 
 import os
 import webbrowser
 
 from BaseHTTPServer import HTTPServer
 from SimpleHTTPServer import SimpleHTTPRequestHandler
 
 from IPython.utils.traitlets import Bool
 
 from .base import PostProcessorBase
 
 #-----------------------------------------------------------------------------
 # Classes
 #-----------------------------------------------------------------------------
 class ServePostProcessor(PostProcessorBase):
     """Post processor designed to serve files"""
 
 
     open_in_browser = Bool(True, config=True,
                            help="""Set to False to deactivate
                            the opening of the browser""")
 
     def call(self, input):
         """
         Simple implementation to serve the build directory.
         """
 
         try:
             dirname, filename = os.path.split(input)
-            os.chdir(dirname)
+            if dirname:
+                os.chdir(dirname)
             httpd = HTTPServer(('127.0.0.1', 8000), SimpleHTTPRequestHandler)
             sa = httpd.socket.getsockname()
             url = "http://" + sa[0] + ":" + str(sa[1]) + "/" + filename
             if self.open_in_browser:
                 webbrowser.open(url, new=2)
             print("Serving your slides on " + url)
             print("Use Control-C to stop this server.")
             httpd.serve_forever()
         except KeyboardInterrupt:
             print("The server is shut down.")