diff --git a/protoc_plugins/gw_gen.py b/protoc_plugins/gw_gen.py
index 42d18c0..2e7fdb8 100755
--- a/protoc_plugins/gw_gen.py
+++ b/protoc_plugins/gw_gen.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-#
+
 # Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/protoc_plugins/protobuf_introspect.py b/protoc_plugins/protobuf_introspect.py
index c6841b6..6e43af5 100755
--- a/protoc_plugins/protobuf_introspect.py
+++ b/protoc_plugins/protobuf_introspect.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-#
+
 # Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/protoc_plugins/schema2dict.py b/protoc_plugins/schema2dict.py
index 9c30d5e..e644ba8 100644
--- a/protoc_plugins/schema2dict.py
+++ b/protoc_plugins/schema2dict.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-#
+
 # Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/protoc_plugins/swagger_gen.py b/protoc_plugins/swagger_gen.py
index 1fce4fe..67d6a9a 100755
--- a/protoc_plugins/swagger_gen.py
+++ b/protoc_plugins/swagger_gen.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-#
+
 # Copyright 2017 the original author or authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");