Switch to tabs for indentation.

Instead of a mix of 2- and 4-space tabs just use actual tabs.  ;-P

joy/vui/init_joy_home.py

@@ -24,8 +24,8 @@ JOY_HOME directory.
 These contents are kept in this Python module as a base64-encoded zip
 file, so you can just do, e.g.:
 
-    import init_joy_home
-    init_joy_home.initialize(JOY_HOME)
+	import init_joy_home
+	init_joy_home.initialize(JOY_HOME)
 
 '''
 from __future__ import print_function
@@ -35,17 +35,17 @@ import base64, os, io, zipfile
 
 
 def initialize(joy_home):
-    Z.extractall(joy_home)
+	Z.extractall(joy_home)
 
 
 def create_data(from_dir='./default_joy_home'):
-    f = io.StringIO()
-    z = zipfile.ZipFile(f, mode='w')
-    for fn in os.listdir(from_dir):
-        from_fn = os.path.join(from_dir, fn)
-        z.write(from_fn, fn)
-    z.close()
-    return base64.encodestring(f.getvalue())
+	f = io.StringIO()
+	z = zipfile.ZipFile(f, mode='w')
+	for fn in os.listdir(from_dir):
+		from_fn = os.path.join(from_dir, fn)
+		z.write(from_fn, fn)
+	z.close()
+	return base64.encodestring(f.getvalue())
 
 
 Z = zipfile.ZipFile(io.StringIO(base64.decodestring('''\
@@ -275,4 +275,4 @@ c3RhY2sucGlja2xlUEsFBgAAAAAGAAYAUwEAACcwAAAAAA==''')))
 
 
 if __name__ == '__main__':
-    print(create_data())
+	print(create_data())