put Communication at the end of util.py so it can use warn()

util.py

@@ -3,6 +3,29 @@ import sys, traceback
 EXIT_SUCCESS=0
 EXIT_ERROR=1
 
+def info(message):
+    # print info to sys.stderr because it isn’t really output, just debug information
+    print("INFO: "+str(message), file=sys.stderr)
+    traceback.print_stack()
+
+def warn(message, is_exception=False):
+    print("WARNING: "+str(message), file=sys.stderr)
+    if is_exception:
+        traceback.print_exc()
+    else:
+        traceback.print_stack()
+
+def error(message, is_exception=True, handle_gracefully=True):
+    print("ERROR: "+str(message), file=sys.stderr)
+    if is_exception:
+        traceback.print_exc()
+    else:
+        traceback.print_stack()
+    if handle_gracefully:
+        pass
+    else:
+        sys.exit(EXIT_ERROR)
+
 # easy way to communicate across events
 class Communication:
     def __init__(self):
@@ -46,27 +69,4 @@ class Communication:
 
     def __del__(self):
         if len(self.__messages)>0:
-            util.warn("__messages not empty upon destruction of Communitation object:\n"+str(self.__messages))
-
-def info(message):
-    # print info to sys.stderr because it isn’t really output, just debug information
-    print("INFO: "+str(message), file=sys.stderr)
-    traceback.print_stack()
-
-def warn(message, is_exception=False):
-    print("WARNING: "+str(message), file=sys.stderr)
-    if is_exception:
-        traceback.print_exc()
-    else:
-        traceback.print_stack()
-
-def error(message, is_exception=True, handle_gracefully=True):
-    print("ERROR: "+str(message), file=sys.stderr)
-    if is_exception:
-        traceback.print_exc()
-    else:
-        traceback.print_stack()
-    if handle_gracefully:
-        pass
-    else:
-        sys.exit(EXIT_ERROR)
+            warn("__messages not empty upon destruction of Communitation object:\n"+str(self.__messages))