fix example to run without a DISPLAY

this is necessary to run the example on travis-ci
skuschel · Dec 11, 2014 · 4517536 · 4517536
1 parent c7a8ded
commit 4517536
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/examples/simpleexample.py b/examples/simpleexample.py
@@ -3,6 +3,12 @@
 import numpy as np
 import postpic as pp
 
+# postpic will use matplotlib for plotting. Changing matplotlibs backend
+# to "Agg" makes it possible to save plots without a display attached.
+# This is necessary to run this example within the "run-tests" script
+# on travis-ci.
+import matplotlib; matplotlib.use('Agg')
+
 
 pp.datareader.chooseCode('dummy')