follow what the docs say: Instances of this class are hashable, and t…

…wo instances of this class may be compared using “==” and ”!=”.

git-svn-id: https://xpra.org/svn/Xpra/trunk@5155 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/codecs/csc_opencl/colorspace_converter.py

@@ -573,11 +573,11 @@ def convert_image(self, image, retry=0):
         global context, program
         if self.do_convert_image==None:
             raise Exception("not initialized!")
-        if self.context is not context:
+        if self.context!=context:
             debug("old context=%s, new context=%s", self.context, context)
             log.info("using new OpenCL context (context changed)")
             self.init_with_device()
-        elif self.program is not program:
+        elif self.program!=program:
             debug("old program=%s, new program=%s", self.program, program)
             log.info("using new OpenCL context (program changed)")
             self.init_with_device()