[MOD] - always use Agg backend

tests/pygpc_TestBench_plot.py

@@ -5,6 +5,7 @@
 import matplotlib.pyplot as plt
 import matplotlib.lines as mlines
 import matplotlib
+matplotlib.use("Agg")
 
 folder = "/data/pt_01756/studies/pygpc/TestBenchContinuous/"
 algorithms = os.listdir(folder)

tests/test_algorithms.py

@@ -8,6 +8,9 @@
 import unittest
 import numpy as np
 
+import matplotlib
+matplotlib.use("Agg")
+
 from scipy.integrate import odeint
 from collections import OrderedDict
 

tests/test_grids.py

@@ -8,6 +8,9 @@
 import unittest
 import numpy as np
 
+import matplotlib
+matplotlib.use("Agg")
+
 from scipy.integrate import odeint
 from collections import OrderedDict
 

tests/test_interface.py

@@ -8,6 +8,9 @@
 import unittest
 import numpy as np
 
+import matplotlib
+matplotlib.use("Agg")
+
 from scipy.integrate import odeint
 from collections import OrderedDict
 

tests/test_postprocessing.py

@@ -7,10 +7,11 @@
 import shutil
 import unittest
 import numpy as np
-import matplotlib.pyplot as plt
+
 from collections import OrderedDict
+
 import matplotlib
-# matplotlib.use("Qt5Agg")
+matplotlib.use("Agg")
 
 # disable numpy warnings
 import warnings