1 files changed, 4 insertions, 0 deletions
diff --git a/cmd2/plugin.py b/cmd2/plugin.py
index 83093ee1..e836b9d1 100644
--- a/cmd2/plugin.py
+++ b/cmd2/plugin.py
@@ -7,6 +7,7 @@ import attr
 @attr.s
 class PostparsingData:
     """Data class containing information passed to postparsing hook methods"""
+
     stop = attr.ib()
     statement = attr.ib()
 
@@ -14,12 +15,14 @@ class PostparsingData:
 @attr.s
 class PrecommandData:
     """Data class containing information passed to precommand hook methods"""
+
     statement = attr.ib()
 
 
 @attr.s
 class PostcommandData:
     """Data class containing information passed to postcommand hook methods"""
+
     stop = attr.ib()
     statement = attr.ib()
 
@@ -27,5 +30,6 @@ class PostcommandData:
 @attr.s
 class CommandFinalizationData:
     """Data class containing information passed to command finalization hook methods"""
+
     stop = attr.ib()
     statement = attr.ib()