Temporarily hide warning

Author: VesnaT

Orange/base.py

@@ -120,11 +120,11 @@ def __call__(self, data, callback=None):
             data = self.preprocess(data, callback=cb)
         except TypeError:
             data = self.preprocess(data)
-            warnings.warn("A keyword argument 'callback' has been added to the"
-                          " preprocess() signature. Implementing the method "
-                          "without the argument is deprecated and will result "
-                          "in an error in the future.",
-                          OrangeDeprecationWarning)
+            # warnings.warn("A keyword argument 'callback' has been added to the"
+            #               " preprocess() signature. Implementing the method "
+            #               "without the argument is deprecated and will result "
+            #               "in an error in the future.",
+            #               OrangeDeprecationWarning)
 
         if len(data.domain.class_vars) > 1 and not self.supports_multiclass:
             raise TypeError("%s doesn't support multiple class variables" %