matplotlib
diff --git a/‎doc/conf.py
Copy file name to clipboardExpand all lines: doc/conf.py
+7Lines changed: 7 additions & 0 deletions b/‎doc/conf.py
Copy file name to clipboardExpand all lines: doc/conf.py
+7Lines changed: 7 additions & 0 deletions
@@ -67,6 +67,13 @@
         raise ImportError("No module named mock - you need to install "
                           "mock to build the documentation")
 
+try:
+    from PIL import Image
+except ImportError:
+    raise ImportError("No module named Image - you need to install "
+                      "pillow to build the documentation")
+
+
 try:
     import matplotlib
 except ImportError: