diff --git a/all/debug_tools/logger.py b/all/debug_tools/logger.py
index e3aff91..4047ae8 100644
--- a/all/debug_tools/logger.py
+++ b/all/debug_tools/logger.py
@@ -37,6 +37,7 @@
 
 from logging import Logger
 from logging import Manager
+from logging import PlaceHolder
 
 from logging import DEBUG
 from logging import WARNING
@@ -466,9 +467,11 @@ def _fixChildren(self):
         for logger_name in loggers:
             logger = loggers[logger_name]
 
-            # i.e., if logger.parent.name.startswith( parent_name )
-            if logger.parent.name[:parent_name_length] == parent_name:
-                logger.disable()
+            if not isinstance( logger, PlaceHolder ):
+
+                # i.e., if logger.parent.name.startswith( parent_name )
+                if logger.parent.name[:parent_name_length] == parent_name:
+                    logger.disable()
 
     @classmethod
     def get_debug_file_path(cls, output_file):
diff --git a/tests/testing/__init__.py b/tests/testing/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/manual_tests.py b/tests/testing/manual_tests.py
similarity index 90%
rename from tests/manual_tests.py
rename to tests/testing/manual_tests.py
index eeb925c..125ae36 100644
--- a/tests/manual_tests.py
+++ b/tests/testing/manual_tests.py
@@ -2,7 +2,7 @@
 
 try:
     # To run this file, run on the Sublime Text console:
-    # import sublime_plugin; sublime_plugin.reload_plugin( "PythonDebugTools.tests.manual_tests" )
+    # import sublime_plugin; sublime_plugin.reload_plugin( "PythonDebugTools.tests.testing.manual_tests" )
     import sublime_plugin
 
     # Import and reload the debugger