diff --git a/system_repository.py b/system_repository.py
index 18f5893..31c9f78 100644
--- a/system_repository.py
+++ b/system_repository.py
@@ -5,7 +5,7 @@ class SystemRepository():
     def __init__(self):
         self.stdout = [""]
         self.stderr = [""]
-    
+
     def run(self, *args):
         stream = sub.Popen(args,
                            stdout=sub.PIPE,
diff --git a/test/test_version_class.py b/test/test_version_class.py
index 486a2a7..24c9d33 100644
--- a/test/test_version_class.py
+++ b/test/test_version_class.py
@@ -5,15 +5,15 @@ import os
 # getting the name of the directory
 # where the this file is present.
 current = os.path.dirname(os.path.realpath(__file__))
- 
+
 # Getting the parent directory name
 # where the current directory is present.
 parent = os.path.dirname(current)
- 
+
 # adding the parent directory to
 # the sys.path.
 sys.path.append(parent)
- 
+
 # now we can import the module in the parent
 # directory.