1 files changed, 9 insertions, 0 deletions
diff --git a/cmd2/exceptions.py b/cmd2/exceptions.py
index d253985a..c5a08202 100644
--- a/cmd2/exceptions.py
+++ b/cmd2/exceptions.py
@@ -6,11 +6,13 @@
 # The following exceptions are part of the public API
 ############################################################################################################
 
+
 class SkipPostcommandHooks(Exception):
     """
     Custom exception class for when a command has a failure bad enough to skip post command
     hooks, but not bad enough to print the exception to the user.
     """
+
     pass
 
 
@@ -21,6 +23,7 @@ class Cmd2ArgparseError(SkipPostcommandHooks):
     loop, catch the SystemExit and raise this instead. If you still need to run post command hooks
     after parsing fails, just return instead of raising an exception.
     """
+
     pass
 
 
@@ -29,8 +32,10 @@ class CommandSetRegistrationError(Exception):
     Exception that can be thrown when an error occurs while a CommandSet is being added or removed
     from a cmd2 application.
     """
+
     pass
 
+
 ############################################################################################################
 # The following exceptions are NOT part of the public API and are intended for internal use only.
 ############################################################################################################
@@ -38,19 +43,23 @@ class CommandSetRegistrationError(Exception):
 
 class Cmd2ShlexError(Exception):
     """Raised when shlex fails to parse a command line string in StatementParser"""
+
     pass
 
 
 class EmbeddedConsoleExit(SystemExit):
     """Custom exception class for use with the py command."""
+
     pass
 
 
 class EmptyStatement(Exception):
     """Custom exception class for handling behavior when the user just presses <Enter>."""
+
     pass
 
 
 class RedirectionError(Exception):
     """Custom exception class for when redirecting or piping output fails"""
+
     pass