rename argument for truncateString, avoid collision with internal names

contrib/src/web/database.py

@@ -11,12 +11,12 @@ from dateutil.tz import tzlocal
 _database = PostgresqlDatabase('stop', user='stop', password='PT52lRecp4NBKQrZT9', host='database')
 
 # Helper functions
-def truncateString(str, size):
-    strLen = len(str)
-    if size <= 3 or strLen <= 3:
-        return str
+def truncateString(value, size):
+    valLen = len(value)
+    if size <= 3 or valLen <= 3:
+        return value
 
-    return (str[:(size-3)] + '...') if strLen > size else str
+    return (value[:(size-3)] + '...') if valLen > size else value
 
 # NOTE: most docker images run in UTC by default
 def currentTime(format = None):