diff --git a/octoprint_simpleemergencystop/__init__.py b/octoprint_simpleemergencystop/__init__.py
index 9821bba..041e2f9 100644
--- a/octoprint_simpleemergencystop/__init__.py
+++ b/octoprint_simpleemergencystop/__init__.py
@@ -1,33 +1,25 @@
 # coding=utf-8
-from __future__ import absolute_import
-
-### (Don't forget to remove me)
-# This is a basic skeleton for your plugin's __init__.py. You probably want to adjust the class name of your plugin
-# as well as the plugin mixins it's subclassing from. This is really just a basic skeleton to get you started,
-# defining your plugin as a template plugin, settings and asset plugin. Feel free to add or remove mixins
-# as necessary.
-#
-# Take a look at the documentation on what other plugin mixins are available.
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 import octoprint.plugin
 
+
 class SimpleemergencystopPlugin(octoprint.plugin.StartupPlugin,
-						octoprint.plugin.TemplatePlugin,
-						octoprint.plugin.SettingsPlugin,
-						octoprint.plugin.AssetPlugin,
-						octoprint.plugin.SimpleApiPlugin):
+								octoprint.plugin.TemplatePlugin,
+								octoprint.plugin.SettingsPlugin,
+								octoprint.plugin.AssetPlugin,
+								octoprint.plugin.SimpleApiPlugin):
 	def __init__(self):
 		self.emergencyGCODE = ""
 
-
 	def get_settings_defaults(self):
 		return dict(
 			emergencyGCODE="M112",
-			confirmationDialog = False
+			confirmationDialog=False
 		)
 
 	def on_settings_save(self, data):
-		octoprint.plugin.SettingsPlugin.on_settings_save(self,data)
+		octoprint.plugin.SettingsPlugin.on_settings_save(self, data)
 		self.emergencyGCODE = self._settings.get(["emergencyGCODE"])
 
 	def on_after_startup(self):
@@ -35,9 +27,9 @@ class SimpleemergencystopPlugin(octoprint.plugin.StartupPlugin,
 
 	def get_template_configs(self):
 		return [
-			#dict(type="navbar", custom_bindings=False),
+			# dict(type="navbar", custom_bindings=False),
 			dict(type="settings", custom_bindings=False)
-			]
+		]
 
 	def get_api_commands(self):
 		return dict(
@@ -45,14 +37,14 @@ class SimpleemergencystopPlugin(octoprint.plugin.StartupPlugin,
 		)
 
 	def on_api_command(self, command, data):
-		## check if there is a : in line
+		# check if there is a : in line
 		find_this = ":"
 		if find_this in str(self.emergencyGCODE):
 
-			# if : found then, split, then for each:		
+			# if : found then, split, then for each:
 			gcode_list = str(self.emergencyGCODE).split(':')
 			for gcode in gcode_list:
-				self._printer.commands(gcode)				
+				self._printer.commands(gcode)
 		else:
 			self._printer.commands(self.emergencyGCODE)
 
@@ -62,7 +54,7 @@ class SimpleemergencystopPlugin(octoprint.plugin.StartupPlugin,
 			js=["js/simpleemergencystop.js"],
 		)
 
-	##~~ Softwareupdate hook
+	# Softwareupdate hook
 
 	def get_update_information(self):
 		# Define the configuration for your plugin to use with the Software Update
@@ -89,6 +81,8 @@ class SimpleemergencystopPlugin(octoprint.plugin.StartupPlugin,
 # ("OctoPrint-PluginSkeleton"), you may define that here. Same goes for the other metadata derived from setup.py that
 # can be overwritten via __plugin_xyz__ control properties. See the documentation for that.
 __plugin_name__ = "Simple Emergency Stop"
+__plugin_pythoncompat__ = ">=2.7,<4"
+
 
 def __plugin_load__():
 	global __plugin_implementation__
@@ -98,4 +92,3 @@ def __plugin_load__():
 	__plugin_hooks__ = {
 		"octoprint.plugin.softwareupdate.check_config": __plugin_implementation__.get_update_information
 	}
-