Use only python3 syntax for import from test directory

python/tests/test_eclfile.py

@@ -3,10 +3,7 @@ import sys
 import numpy as np
 
 from opm.io.ecl import EclFile, eclArrType
-try:
-    from tests.utils import test_path
-except ImportError:
-    from utils import test_path
+from .utils import test_path
 
 
 

python/tests/test_erft.py

@@ -4,12 +4,8 @@ import numpy as np
 import datetime
 
 from opm.io.ecl import ERft, eclArrType
-try:
-    from tests.utils import test_path
-except ImportError:
-    from utils import test_path
-
 
+from .utils import test_path
 
 class TestEclFile(unittest.TestCase):
 

python/tests/test_erst.py

@@ -4,10 +4,8 @@ import numpy as np
 import io
 
 from opm.io.ecl import ERst, eclArrType, EclOutput
-try:
-    from tests.utils import test_path
-except ImportError:
-    from utils import test_path
+
+from .utils import test_path
 
 
 class TestERst(unittest.TestCase):

python/tests/test_esmry.py

@@ -4,10 +4,7 @@ import numpy as np
 import datetime
 
 from opm.io.ecl import ESmry
-try:
-    from tests.utils import test_path
-except ImportError:
-    from utils import test_path
+from .utils import test_path
 
 
 class TestEclFile(unittest.TestCase):

python/tests/test_parser.py

@@ -8,10 +8,8 @@ from opm.io.parser import Builtin
 from opm.io.parser import Parser
 from opm.io.parser import ParseContext
 from opm.io.deck import DeckKeyword
-try:
-    from tests.utils import test_path
-except ImportError:
-    from utils import test_path
+
+from .utils import test_path
 
 
 unit_foot = 0.3048 #meters