diff --git a/libraries/DependencyLibrary.py b/libraries/DependencyLibrary.py
index 9d402af..15c1dbc 100644
--- a/libraries/DependencyLibrary.py
+++ b/libraries/DependencyLibrary.py
@@ -11,9 +11,12 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
+
+from __future__ import absolute_import
+
 from robot.libraries.BuiltIn import BuiltIn
 
+
 class DependencyLibrary(object):
     ROBOT_LISTENER_API_VERSION = 2
     ROBOT_LIBRARY_SCOPE = "GLOBAL"
@@ -24,10 +27,10 @@
 
     def require_test_case(self, name):
         key = name.lower()
-        if (key not in self.test_status):
+        if key not in self.test_status:
             BuiltIn().fail("required test case can't be found: '%s'" % name)
 
-        if (self.test_status[key] != "PASS"):
+        if self.test_status[key] != "PASS":
             BuiltIn().fail("required test case failed: '%s'" % name)
 
         return True