diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 92fd136..309be1e 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,3 +1,3 @@
 Any contribution that you make to this repository will
-be under the BSD 3 Clause license, as dictated by that
+be under the 3-Clause BSD License, as dictated by that
 [license](https://opensource.org/licenses/BSD-3-Clause).
diff --git a/src/rqt_reconfigure/filter_children_model.py b/src/rqt_reconfigure/filter_children_model.py
index b645a9a..5e59a4e 100644
--- a/src/rqt_reconfigure/filter_children_model.py
+++ b/src/rqt_reconfigure/filter_children_model.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito
 
 from __future__ import division
diff --git a/src/rqt_reconfigure/logging.py b/src/rqt_reconfigure/logging.py
index 500b5ff..08e293b 100644
--- a/src/rqt_reconfigure/logging.py
+++ b/src/rqt_reconfigure/logging.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2019, Open Source Robotics Foundation, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
diff --git a/src/rqt_reconfigure/node_selector_widget.py b/src/rqt_reconfigure/node_selector_widget.py
index 370f38c..913ae79 100644
--- a/src/rqt_reconfigure/node_selector_widget.py
+++ b/src/rqt_reconfigure/node_selector_widget.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito
 
 from __future__ import division
diff --git a/src/rqt_reconfigure/param_api.py b/src/rqt_reconfigure/param_api.py
index 9db0ee6..814a704 100644
--- a/src/rqt_reconfigure/param_api.py
+++ b/src/rqt_reconfigure/param_api.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2019 Open Source Robotics Foundation, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
diff --git a/src/rqt_reconfigure/param_client_widget.py b/src/rqt_reconfigure/param_client_widget.py
index ffac341..827a69e 100644
--- a/src/rqt_reconfigure/param_client_widget.py
+++ b/src/rqt_reconfigure/param_client_widget.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2019 Open Source Robotics Foundation, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Gonzalo de Pedro
 
 from python_qt_binding.QtCore import QMargins, QSize, Qt, Signal
diff --git a/src/rqt_reconfigure/param_editors.py b/src/rqt_reconfigure/param_editors.py
index 5ba30ca..5a45d7e 100644
--- a/src/rqt_reconfigure/param_editors.py
+++ b/src/rqt_reconfigure/param_editors.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito, Ze'ev Klapow
 
 import array
diff --git a/src/rqt_reconfigure/param_plugin.py b/src/rqt_reconfigure/param_plugin.py
index 7a332d3..f4b5354 100644
--- a/src/rqt_reconfigure/param_plugin.py
+++ b/src/rqt_reconfigure/param_plugin.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito
 
 from rqt_gui_py.plugin import Plugin
diff --git a/src/rqt_reconfigure/param_widget.py b/src/rqt_reconfigure/param_widget.py
index 265dd62..cc95dcf 100644
--- a/src/rqt_reconfigure/param_widget.py
+++ b/src/rqt_reconfigure/param_widget.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito
 
 from __future__ import division
diff --git a/src/rqt_reconfigure/paramedit_widget.py b/src/rqt_reconfigure/paramedit_widget.py
index 1cd6fd2..45399bd 100644
--- a/src/rqt_reconfigure/paramedit_widget.py
+++ b/src/rqt_reconfigure/paramedit_widget.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito, Ze'ev Klapow
 
 from collections import OrderedDict
diff --git a/src/rqt_reconfigure/text_filter.py b/src/rqt_reconfigure/text_filter.py
index cb59ae5..f548ba6 100644
--- a/src/rqt_reconfigure/text_filter.py
+++ b/src/rqt_reconfigure/text_filter.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,6 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
+#
 # Author: Isaac Saito
 
 from python_qt_binding.QtCore import QRegExp, Qt
diff --git a/src/rqt_reconfigure/text_filter_widget.py b/src/rqt_reconfigure/text_filter_widget.py
index 872cd43..0cc63a9 100644
--- a/src/rqt_reconfigure/text_filter_widget.py
+++ b/src/rqt_reconfigure/text_filter_widget.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
diff --git a/src/rqt_reconfigure/treenode_item_model.py b/src/rqt_reconfigure/treenode_item_model.py
index 8356240..fbb750e 100644
--- a/src/rqt_reconfigure/treenode_item_model.py
+++ b/src/rqt_reconfigure/treenode_item_model.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito
 
 from __future__ import division
diff --git a/src/rqt_reconfigure/treenode_qstditem.py b/src/rqt_reconfigure/treenode_qstditem.py
index f131da0..1111c1b 100644
--- a/src/rqt_reconfigure/treenode_qstditem.py
+++ b/src/rqt_reconfigure/treenode_qstditem.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito
 
 from __future__ import division
diff --git a/src/rqt_reconfigure/treenode_status.py b/src/rqt_reconfigure/treenode_status.py
index 1ae225e..54a8b58 100644
--- a/src/rqt_reconfigure/treenode_status.py
+++ b/src/rqt_reconfigure/treenode_status.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito
 
 
diff --git a/test/test_text_filter.py b/test/test_text_filter.py
index 528b297..9fec45b 100644
--- a/test/test_text_filter.py
+++ b/test/test_text_filter.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito
 
 import unittest
diff --git a/test/test_treenode_qstditem.py b/test/test_treenode_qstditem.py
index 330b650..080e518 100644
--- a/test/test_treenode_qstditem.py
+++ b/test/test_treenode_qstditem.py
@@ -1,19 +1,19 @@
 # Copyright (c) 2012, Willow Garage, Inc.
-
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
-
+#
 #    * Redistributions of source code must retain the above copyright
 #      notice, this list of conditions and the following disclaimer.
-
+#
 #    * Redistributions in binary form must reproduce the above copyright
 #      notice, this list of conditions and the following disclaimer in the
 #      documentation and/or other materials provided with the distribution.
-
+#
 #    * Neither the name of the copyright holder nor the names of its
 #      contributors may be used to endorse or promote products derived from
 #      this software without specific prior written permission.
-
+#
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -25,7 +25,7 @@
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
-
+#
 # Author: Isaac Saito
 
 import unittest