Fix glade file conversion

setup.py

@@ -9,11 +9,13 @@ print 'dir =', dir
 os.chdir(dir)
 
 # Convert glade data
-in_file = dir + '/fah/FAHControl.glade'
-out_file = dir + '/fah/FAHControl_glade.py'
-input = None
-output = None
-try:
+in_file = 'fah/FAHControl.glade'
+out_file = 'fah/FAHControl_glade.py'
+
+if os.path.exists(in_file):
+    input = None
+    output = None
+    try:
         input = open(in_file, 'r')
         output = open(out_file, 'w')
 
@@ -21,7 +23,7 @@ try:
         output.write('glade_data = """')
         output.write(input.read())
         output.write('"""\n')
-finally:
+    finally:
         if input is not None: input.close()
         if output is not None: output.close()