fix tests

after isort change

Change-Id: I15975e4a665342139f88060e2db95ee2984d8dfe
Reviewed-on: https://forge.frm2.tum.de/review/19528
Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>

test/test_datatypes.py

@@ -29,15 +29,12 @@ from os import path
 # no fixtures needed
 import pytest
 
+sys.path.insert(0, path.abspath(path.join(path.dirname(__file__), '..')))
+
 from secop.datatypes import (ArrayOf, BLOBType, BoolType, DataType, EnumType,
                              FloatRange, IntRange, ProgrammingError,
                              StringType, StructOf, TupleOf, get_datatype)
 
-sys.path.insert(0, path.abspath(path.join(path.dirname(__file__), '..')))
-
-
-
-
 
 def test_DataType():
     dt = DataType()