added tempfile to get temp directory in example
diff --git a/examples/simple_model_to_model_bias.py b/examples/simple_model_to_model_bias.py
index 8dc134d..ac55c37 100644
--- a/examples/simple_model_to_model_bias.py
+++ b/examples/simple_model_to_model_bias.py
@@ -55,6 +55,7 @@
 import ocw.evaluation as evaluation
 import ocw.metrics as metrics
 import ocw.plotter as plotter
+import tempfile
 
 if sys.version_info[0] >= 3:
     from urllib.request import urlretrieve
@@ -72,8 +73,9 @@
 # Filename for the output image/plot (without file extension)
 OUTPUT_PLOT = "wrf_bias_compared_to_knmi"
 
-FILE_1_PATH = path.join('/tmp', FILE_1)
-FILE_2_PATH = path.join('/tmp', FILE_2)
+tempdir = tempfile.gettempdir()
+FILE_1_PATH = path.join(tempdir, FILE_1)
+FILE_2_PATH = path.join(tempdir, FILE_2)
 
 if not path.exists(FILE_1_PATH):
     urlretrieve(FILE_LEADER + FILE_1, FILE_1_PATH)