diff --git a/IPython/nbconvert/transformers/extractfigure.py b/IPython/nbconvert/transformers/extractfigure.py
index 5ee5597..15d244d 100755
--- a/IPython/nbconvert/transformers/extractfigure.py
+++ b/IPython/nbconvert/transformers/extractfigure.py
@@ -14,7 +14,7 @@ notebook file.  The extracted figures are returned in the 'resources' dictionary
 #-----------------------------------------------------------------------------
 
 import sys
-from IPython.utils.traitlets import Dict, Unicode
+from IPython.utils.traitlets import Unicode
 from .base import ConfigurableTransformer
 
 #-----------------------------------------------------------------------------
@@ -27,7 +27,6 @@ class ExtractFigureTransformer(ConfigurableTransformer):
     figures are returned in the 'resources' dictionary.
     """
 
-
     figure_filename_template = Unicode(
         "{unique_key}_{cell_index}_{index}.{extension}", config=True)