parentheses for print

So to be compatible with python3

tests/scaffold_tests.py

@@ -7,10 +7,10 @@
 
 def setup():
     os.mkdir(target_dir) #Create a temporary directory that we will delete later upon test completion
-    print "root test directory: {dir}".format(dir=target_dir)
+    print("root test directory: {dir}".format(dir=target_dir))
 
 def teardown():
-    print "attempting to tear down {dir}".format(dir=target_dir)
+    print("attempting to tear down {dir}".format(dir=target_dir))
     shutil.rmtree(target_dir) #Recursively deletes the directory and all of its contents
 
 def test_create_folder_path():
@@ -77,4 +77,4 @@ def assert_file_exists(target_dir, sub_dir, filename):
     if sub_dir == None: #If we don't have a sub-directory
         assert os.path.exists(os.path.join(target_dir, filename))
     else:
-        assert os.path.exists(os.path.join(os.path.join(target_dir, sub_dir), filename))
+        assert os.path.exists(os.path.join(os.path.join(target_dir, sub_dir), filename))