Index: spacemap.py
==================================================================
--- spacemap.py
+++ spacemap.py
@@ -316,10 +316,13 @@
 				break
 		self.clear()
 		other.clear()
 		return(result)
 
+	def __ne__(self, other):
+		return(not self == other)
+
 	def end(self):
 		'''Returns last known point.'''
 		end = None
 		self.rewind()
 		while True: