clean up code to be more readable

files.py

@@ -17,6 +17,7 @@ import time
 import re
 from datetime import datetime, timedelta
 import pytz
+import html
 from flask_login import login_required, current_user
 from states import States, PA_UserState
 
@@ -813,11 +814,11 @@ def GetExistingPathsAsDiv(dt):
         bits=dir.rel_path.split('-',maxsplit=1)
 
         ret+= '{ '
-        ret+= '"prefix":"' + bits[0] + '-", '
-        if len(bits)>1:
-            ret+= '"suffix":"' + bits[1] + '", '
+        # if there is a prefix/suffix, then do prefix='bits[0]-', suffix='bits[1]', otherwise prefix='bits[0]', suffix=''
+        if len(bits) > 1:
+            ret+= '"prefix":"' + bits[0] + '-", "suffix":"' + bits[1] + '", '
         else:
-            ret+= '"suffix":"''", '
+            ret+= '"prefix":"' + bits[0] + '", "suffix":"''", '
         ret += '"ptype": "'+dir.in_path.type.name+'"'
         ret+= ' } '
         first_dir=0