From cb94229126befe19e531b527348d26404808fc1c Mon Sep 17 00:00:00 2001
From: David Stansby <dstansby@gmail.com>
Date: Wed, 11 Oct 2017 21:25:12 +0100
Subject: [PATCH 1/2] Print specific packages that need to be installed to
 build docs if missing

---
 doc/conf.py | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/doc/conf.py b/doc/conf.py
index 987142628704..c7348f270885 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -41,13 +41,13 @@
 
 
 def _check_deps():
-    names = ["colorspacious",
-             "IPython.sphinxext.ipython_console_highlighting",
-             "matplotlib",
-             "numpydoc",
-             "PIL.Image",
-             "scipy",
-             "sphinx_gallery"]
+    names = {"colorspacious": 'colorspacious',
+             "IPython.sphinxext.ipython_console_highlighting": 'ipython',
+             "matplotlib": 'matplotlib',
+             "numpydoc": 'numpydoc',
+             "PIL.Image": 'pillow',
+             "scipy": 'scipy',
+             "sphinx_gallery": 'sphinx_gallery'}
     if sys.version_info < (3, 3):
         names.append("mock")
     missing = []
@@ -55,12 +55,13 @@ def _check_deps():
         try:
             __import__(name)
         except ImportError:
-            missing.append(name)
+            missing.append(names[name])
     if missing:
         raise ImportError(
             "The following dependencies are missing to build the "
             "documentation: {}".format(", ".join(missing)))
 
+
 _check_deps()
 
 import matplotlib

From 5fa465e4b0922b0f7f51efa7d6099a34906d5039 Mon Sep 17 00:00:00 2001
From: Jody Klymak <jklymak@gmail.com>
Date: Wed, 11 Oct 2017 22:19:16 -0700
Subject: [PATCH 2/2] Fixed names.append('mock')

---
 doc/conf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/conf.py b/doc/conf.py
index c7348f270885..51a8c58249cd 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -49,7 +49,7 @@ def _check_deps():
              "scipy": 'scipy',
              "sphinx_gallery": 'sphinx_gallery'}
     if sys.version_info < (3, 3):
-        names.append("mock")
+        names["mock"] = 'mock'
     missing = []
     for name in names:
         try: