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-rw-r--r--doc/sphinxext/numpydoc/plot_directive.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/sphinxext/numpydoc/plot_directive.py b/doc/sphinxext/numpydoc/plot_directive.py
index 9e92acabb..a7f4655ce 100644
--- a/doc/sphinxext/numpydoc/plot_directive.py
+++ b/doc/sphinxext/numpydoc/plot_directive.py
@@ -82,7 +82,7 @@ import sphinx
if sys.version_info[0] >= 3:
from io import StringIO
else:
- from cStringIO import StringIO
+ from io import StringIO
import warnings
warnings.warn("A plot_directive module is also available under "