Merge pull request #2225 from james-pcdr/patch-2

Update scanner.py: fix print to stderr

swagger/sdrangel/examples/scanner.py

@@ -373,7 +373,7 @@ def main():
         pass
     except Exception as ex:
         tb = traceback.format_exc()
-        print >> sys.stderr, tb
+        print(tb, file=sys.stderr)
 
 
 if __name__ == "__main__":