diff --git a/GPy/plotting/__init__.py b/GPy/plotting/__init__.py
index 88a6b488..78189d8f 100644
--- a/GPy/plotting/__init__.py
+++ b/GPy/plotting/__init__.py
@@ -1,11 +1,9 @@
 # Copyright (c) 2014, GPy authors (see AUTHORS.txt).
 # Licensed under the BSD 3-clause license (see LICENSE.txt)
-from ConfigParser import NoOptionError
-
 current_lib = [None]
 
 supported_libraries = ['matplotlib', 'plotly', 'none']
-error_suggestion = "Please make sure you specify your plotting library in your configuration file.\n\n[plotting]\nlibrary = <library>\n\nCurrently supported libraries: {}".format(", ".join(supported_libraries))
+error_suggestion = "Please make sure you specify your plotting library in your configuration file (<User>/.config/GPy/user.cfg).\n\n[plotting]\nlibrary = <library>\n\nCurrently supported libraries: {}".format(", ".join(supported_libraries))
 
 def change_plotting_library(lib):
     try:
@@ -15,7 +13,7 @@ def change_plotting_library(lib):
         # This is hooking the library in
         # for the usage in GPy:
         if lib not in supported_libraries:
-            raise NoOptionError("Warning: Plotting library {} not recognized, currently supported libraries are: \n {}".format(lib, ", ".join(supported_libraries)))
+            raise ValueError("Warning: Plotting library {} not recognized, currently supported libraries are: \n {}".format(lib, ", ".join(supported_libraries)))
         if lib == 'matplotlib':
             import matplotlib
             from .matplot_dep.plot_definitions import MatplotlibPlots
@@ -31,15 +29,15 @@ def change_plotting_library(lib):
     except (ImportError, NameError):
         config.set('plotting', 'library', 'none')
         import warnings
-        warnings.warn(ImportWarning("{} not available, install newest version of {} for plotting".format(lib, lib)))
+        warnings.warn(ImportWarning("You spevified {} in your configuration, but is not available. Install newest version of {} for plotting".format(lib, lib)))
 
+from ConfigParser import NoOptionError
 from ..util.config import config
 try:
     lib = config.get('plotting', 'library')
     change_plotting_library(lib)
 except NoOptionError:
-    print("No plotting library was specified. \n{}".format(error_suggestion))
-
+    print("No plotting library was specified in config file. \n{}".format(error_suggestion))
 
 def plotting_library():
     if current_lib[0] is None:
diff --git a/GPy/testing/plotting_tests.py b/GPy/testing/plotting_tests.py
index 78d351a8..ecbb4d7e 100644
--- a/GPy/testing/plotting_tests.py
+++ b/GPy/testing/plotting_tests.py
@@ -28,6 +28,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #===============================================================================
 import matplotlib
+from unittest.case import TestCase
 matplotlib.use('agg')
 
 import numpy as np
@@ -35,13 +36,21 @@ import GPy, os
 from nose import SkipTest
 
 from ..util.config import config
-from ..plotting import change_plotting_library
+from ..plotting import change_plotting_library, plotting_library
+
+class ConfigTest(TestCase):
+    def tearDown(self):
+        change_plotting_library('matplotlib')
+        
+    def test_change_plotting(self):
+        self.assertRaises(ValueError, change_plotting_library, 'not+in9names')
+        change_plotting_library('none')
+        self.assertRaises(RuntimeError, plotting_library)
 
 change_plotting_library('matplotlib')
 if config.get('plotting', 'library') != 'matplotlib':
     raise SkipTest("Matplotlib not installed, not testing plots")
 
-
 try:
     from matplotlib import cbook, pyplot as plt
     from matplotlib.testing.compare import compare_images