keep 3d after zwise median

zUtil_Python/pydct/orangecontrib/pydct/widgets/zwise_median.py

@@ -21,7 +21,8 @@ class ZwiseMedianThread(QThread):
 
     def run(self):
         """ """
-        self.data_squeezed = np.squeeze(np.median(self.data, axis=0))
+        # self.data_squeezed = np.squeeze(np.median(self.data, axis=0))
+        self.data_squeezed = np.median(self.data, axis=0, keepdims=True)
 
 
 class ZwiseMedian(OWWidget):
@@ -34,7 +35,7 @@ class ZwiseMedian(OWWidget):
     icon = "icons/one_round.svg"
 
     want_main_area = False
-    resizing_enabled = False
+    resizing_enabled = True
 
     class Inputs:
         data = Input("data", ndarray)
@@ -45,6 +46,7 @@ class ZwiseMedian(OWWidget):
     def __init__(self):
         super().__init__()
         self._computing = False
+        self.information("waiting for data")
 
     @Inputs.data
     def set_data(self, dataset):
@@ -65,7 +67,7 @@ class ZwiseMedian(OWWidget):
     def _send_signal(self):
         self._thread.finished.disconnect(self._send_signal)
         self._computing = False
-        self.information()
+        self.information("done")
         _logger.info("done computing zwise median")
 
         if self._thread.data_squeezed is not None: