diff --git a/src/bitmessagemain.py b/src/bitmessagemain.py
index 350b7571..67a725ff 100755
--- a/src/bitmessagemain.py
+++ b/src/bitmessagemain.py
@@ -373,7 +373,7 @@ class Main(object):
         else:
             state.enableGUI = True
             # pylint: disable=relative-import
-            test_core_result = TestCoreDummy(errors = 1,failures = 1)
+            test_core_result = TestCoreDummy(errors=1, failures=1)
             try:
                 from tests import core as test_core
                 test_core_result = test_core.run()
@@ -498,4 +498,4 @@ if __name__ == "__main__":
 
 # So far, the creation of and management of the Bitmessage protocol and this
 # client is a one-man operation. Bitcoin tips are quite appreciated.
-# 1H5XaDA6fYENLbknwZyjiYXYPQaFjjLX2u
\ No newline at end of file
+# 1H5XaDA6fYENLbknwZyjiYXYPQaFjjLX2u
diff --git a/src/helper_test.py b/src/helper_test.py
index b8041564..d36c04d4 100644
--- a/src/helper_test.py
+++ b/src/helper_test.py
@@ -5,6 +5,6 @@ src/helper_test.py
 import collections
 
 """
-Core Dummy testcase instance 
+Core Dummy testcase instance
 """
-TestCoreDummy = collections.namedtuple('TestCoreDummy',['errors','failures'])
\ No newline at end of file
+TestCoreDummy = collections.namedtuple('TestCoreDummy', ['errors', -'failures'])