--- a/version.py	Tue Aug 15 12:17:51 2017 +0300
+++ b/version.py	Tue Aug 15 15:50:30 2017 +0300
@@ -59,7 +59,7 @@
     # try to read revision from file
     if rev is None:
         try:
-            f = open(os.path.join(app_dir,"revision"))
+            f = open(os.path.join(app_dir, "revision"))
             rev = f.readline()
         except:
             pass