diff --git a/shepherd/plugin.py b/shepherd/plugin.py
index 26e98c1..ecdd125 100644
--- a/shepherd/plugin.py
+++ b/shepherd/plugin.py
@@ -35,6 +35,9 @@ class InterfaceFunction():
     def __call__(self, *args, **kwargs):
         return self.func(*args, **kwargs)
 
+# TODO: Create tests to try and make a plugin subclass, and check exceptions to see if they
+# suggest the correct abstractmethods
+
 
 class Plugin(ABC):
     @staticmethod
@@ -105,6 +108,7 @@ def init_plugins(plugin_classes, plugin_configs, core_config):
     for plugininterface in plugin_interfaces.values():
         plugininterface.functions = plugin_functions
 
+
 def _add_job(job_desc):
     global _deferred_jobs
     global _defer
@@ -114,6 +118,7 @@ def _add_job(job_desc):
     else:
         _deferred_jobs.append(job_desc)
 
+
 def _attach_hook(attachment):
     global plugin_hooks
     global _deferred_attachments
@@ -216,13 +221,13 @@ def find_plugins(plugin_names, plugin_dir=None):
     """
     Looks for the list of plugin names supplied and returns their classes.
     Will first try for plugin modules and packages locally located in ``shepherd.plugins``,
-    then for modules and packages prefixed ``shepherd_`` located in the supplied ``plugin_dir`` 
+    then for modules and packages prefixed ``shepherd_`` located in the supplied ``plugin_dir``
     and lastly in the global import path.
-    
+
     Args:
         plugin_names: List of plugin names to try and load
         plugin_dir: optional search path
-    
+
     Returns:
         Dict of plugin classes, with their names as keys
     """
@@ -231,9 +236,10 @@ def find_plugins(plugin_names, plugin_dir=None):
         # First look for core plugins, then the plugin_dir, then in the general import path
         # for custom ones prefixed with "shepherd_"
         try:
-            #mod = importlib.import_module("shepherd.plugins." + plugin_name)
+            # mod = importlib.import_module("shepherd.plugins." + plugin_name)
             mod = importlib.import_module('.'+plugin_name, "shepherd.plugins")
-            #TODO - ModuleNotFoundError is also triggered here if the plugin has a dependancy that can't be found
+            # TODO - ModuleNotFoundError is also triggered here if the plugin has a dependancy
+            # that can't be found
         except ModuleNotFoundError:
             try:
                 if (plugin_dir is not None) and (plugin_dir != ""):