diff -r dd94b9a68c61 -r 92932cd370a4 graphics/GraphicCommons.py
--- a/graphics/GraphicCommons.py	Tue Aug 15 16:01:18 2017 +0300
+++ b/graphics/GraphicCommons.py	Tue Aug 15 16:48:49 2017 +0300
@@ -1377,7 +1377,7 @@
     def ConnectionAvailable(self, direction=None, exclude=True):
         wire_nums = len(self.Wires)
 
-        connector_free = (wire_nums<= 0)
+        connector_free = (wire_nums <= 0)
         connector_max_used = ((wire_nums > 0) and self.OneConnected)
         if (self.Parent.CurrentLanguage in ["SFC", "LD"]) and (self.Type == "BOOL"):
             connector_max_used = False;