diff --git a/keymaps/python-isort.cson b/keymaps/python-isort.cson
index 6b03ad7..30a09c5 100644
--- a/keymaps/python-isort.cson
+++ b/keymaps/python-isort.cson
@@ -1,4 +1,4 @@
 # For more detailed documentation see
 # https://atom.io/docs/latest/advanced/keymaps
-'.editor.python':
-    'ctrl-alt-s': 'python-isort:sortImports'
+'atom-text-editor[data-grammar="source python"]':
+  'ctrl-alt-s': 'python-isort:sortImports'
diff --git a/lib/index.coffee b/lib/index.coffee
index 9df09e3..4d0b5ae 100644
--- a/lib/index.coffee
+++ b/lib/index.coffee
@@ -2,36 +2,32 @@ PythonIsort = require './python-isort'
 
 module.exports =
   configDefaults:
-    isortPath: "/usr/bin/isort"
+    isortPath: "isort"
     sortOnSave: false
     checkOnSave: true
 
-  activate: (state) ->
+  activate: ->
     pi = new PythonIsort()
 
-    atom.workspaceView.command 'pane:active-item-changed', ->
+    atom.commands.add 'atom-workspace', 'pane:active-item-changed', ->
       pi.removeStatusbarItem()
 
-    atom.workspaceView.command 'python-isort:sortImports', ->
+    atom.commands.add 'atom-workspace', 'python-isort:sortImports', ->
       pi.sortImports()
 
-    atom.workspaceView.command 'python-isort:checkImports', ->
+    atom.commands.add 'atom-workspace', 'python-isort:checkImports', ->
       pi.checkImports()
 
-    atom.config.observe 'python-isort.sortOnSave', {callNow: true}, (value) ->
-      atom.workspace.eachEditor (editor) ->
+    atom.config.observe 'python-isort.sortOnSave', (value) ->
+      atom.workspace.observeTextEditors (editor) ->
         if value == true
-          editor.buffer.on "saved", ->
-            pi.sortImports()
+          editor._isortSort = editor.onDidSave -> pi.sortImports()
         else
-          editor.buffer.off "saved", ->
-            pi.sortImports()
+          editor._isortSort?.dispose()
 
-    atom.config.observe 'python-isort.checkOnSave', {callNow: true}, (value) ->
-      atom.workspace.eachEditor (editor) ->
+    atom.config.observe 'python-isort.checkOnSave', (value) ->
+      atom.workspace.observeTextEditors (editor) ->
         if value == true
-          editor.buffer.on "saved", ->
-            pi.checkForUnsortedImports()
+          editor._isortCheck = editor.onDidSave -> pi.checkImports()
         else
-          editor.buffer.off "saved", ->
-            pi.checkForUnsortedImports()
+          editor._isortCheck?.dispose()
diff --git a/lib/python-isort.coffee b/lib/python-isort.coffee
index 9c7293d..166709d 100644
--- a/lib/python-isort.coffee
+++ b/lib/python-isort.coffee
@@ -1,5 +1,5 @@
 fs = require 'fs'
-jquery = require('atom').$
+$ = require('atom').$
 process = require 'child_process'
 
 module.exports =
@@ -11,20 +11,23 @@ class PythonIsort
       return false
     return editor.getGrammar().name == 'Python'
 
-  removeStatusbarItem: ->
-    if not @checkForPythonContext()
-      jquery("#python-isort-status").remove()
+  removeStatusbarItem: =>
+    @statusBarTile?.destroy()
+    @statusBarTile = null
 
-  updateStatusbarText: (message, isError) ->
-    if jquery("#python-isort-status").length == 0
-      statusBar = atom.workspaceView.statusBar
+  updateStatusbarText: (message, isError) =>
+    if not @statusBarTile
+      statusBar = document.querySelector("status-bar")
       return unless statusBar?
-      statusBar.appendLeft('<div id="python-isort-status" class="inline-block">
-                              <span style="font-weight: bold">Isort: </span>
-                              <span id="python-isort-status-message"></span>
-                            </div>')
+      @statusBarTile = statusBar
+        .addLeftTile(
+          item: $('<div id="status-bar-python-isort" class="inline-block">
+                    <span style="font-weight: bold">Isort: </span>
+                    <span id="python-isort-status-message"></span>
+                  </div>'), priority: 100)
 
-    statusBarElement = jquery("#python-isort-status-message")
+    statusBarElement = @statusBarTile.getItem()
+      .find('#python-isort-status-message')
 
     if isError == true
       statusBarElement.addClass("text-error")
@@ -37,11 +40,15 @@ class PythonIsort
     editor = atom.workspace.getActiveEditor()
     return editor.getPath()
 
-  checkForUnsortedImports: ->
+  checkImports: ->
+    if not @checkForPythonContext()
+      return
+
     params = [@getFilePath(), "-c", "-vb"]
     isortpath = atom.config.get "python-isort.isortPath"
 
-    if not fs.existsSync(isortpath)
+    which = process.spawnSync('which', ['isort']).status
+    if which == 1 and not fs.existsSync(isortpath)
       @updateStatusbarText("unable to open " + isortpath, false)
       return
 
@@ -50,21 +57,22 @@ class PythonIsort
     updateStatusbarText = @updateStatusbarText
     proc.on 'exit', (exit_code, signal) ->
       if exit_code == 0
-        updateStatusbarText("√ all python imports are fine", false)
+        updateStatusbarText("√", false)
       else
-        updateStatusbarText("python imports are unsorted", true)
+        updateStatusbarText("x", true)
 
   sortImports: ->
-    if not @checkForPythonContext
+    if not @checkForPythonContext()
       return
 
     params = [@getFilePath(), "-vb"]
     isortpath = atom.config.get "python-isort.isortPath"
 
-    if not fs.existsSync(isortpath)
+    which = process.spawnSync('which', ['isort']).status
+    if which == 1 and not fs.existsSync(isortpath)
       @updateStatusbarText("unable to open " + isortpath, false)
       return
 
     proc = process.spawn isortpath, params
-    @updateStatusbarText("√ all python imports are fine", false)
+    @updateStatusbarText("√", false)
     @reload
diff --git a/menus/python-isort.cson b/menus/python-isort.cson
index 73e423f..2f113d8 100644
--- a/menus/python-isort.cson
+++ b/menus/python-isort.cson
@@ -9,6 +9,10 @@
             'label': 'Sort Python Imports'
             'command': 'python-isort:sortImports'
           }
+          {
+            'label': 'Check Python Imports'
+            'command': 'python-isort:checkImports'
+          }
         ]
       }
     ]