Fix paths when using pre-given datasets in test_graph_kernels.py.

.gitignore

@@ -16,6 +16,8 @@ datasets/*
 !datasets/AIDS/
 !datasets/monoterpenoides/
 !datasets/Monoterpenoides/
+!datasets/Fingerprint/
+!datasets/Cuneiform/
 notebooks/results/*
 notebooks/check_gm/*
 notebooks/test_parallel/*

gklearn/tests/test_graph_kernels.py

@@ -20,8 +20,10 @@ def chooseDataset(ds_name):
 	"""Choose dataset according to name.
 	"""
 	from gklearn.dataset import Dataset
+	import os
 
-	root = '../../datasets/'
+	current_path = os.path.dirname(os.path.realpath(__file__)) + '/'
+	root = current_path + '../../datasets/'
 
 	# no node labels (and no edge labels).
 	if ds_name == 'Alkane':