diff --git a/h2inc_gui.py b/h2inc_gui.py
index 7aa2141..3f468bc 100644
--- a/h2inc_gui.py
+++ b/h2inc_gui.py
@@ -1,4 +1,9 @@
 from tkinter import Tk, Label, Button, LabelFrame
+from tkinter import filedialog, Entry, Checkbutton
+from tkinter import Grid, StringVar
+from tkinter import N, E, S, W
+from tkinter import DISABLED, NORMAL
+from os import errno
 import os
 from os.path import expanduser
 import platform