diff --git a/nbconvert/filters/ansi.py b/nbconvert/filters/ansi.py
index 8461e09..e04d860 100644
--- a/nbconvert/filters/ansi.py
+++ b/nbconvert/filters/ansi.py
@@ -13,6 +13,7 @@
 #-----------------------------------------------------------------------------
 
 import re
+from IPython.utils import coloransi
 
 #-----------------------------------------------------------------------------
 # Classes and functions
diff --git a/nbconvert/filters/strings.py b/nbconvert/filters/strings.py
index d42a7ad..cc42271 100755
--- a/nbconvert/filters/strings.py
+++ b/nbconvert/filters/strings.py
@@ -18,7 +18,6 @@ import re
 
 # Our own imports
 import textwrap
-from IPython.utils import coloransi
 #-----------------------------------------------------------------------------
 # Functions
 #-----------------------------------------------------------------------------