Minor fix

Co-authored-by: Anzhella Pankratova <[email protected]>

Author: Dmitry Sidnev

demos/common/python/openvino/model_zoo/model_api/models/background_matting.py

@@ -118,7 +118,7 @@ def set_input_shape(self):
         return shapes[0]
 
     def _get_outputs(self):
-        image_blob_names= {}
+        image_blob_names = {}
         for name, metadata in self.outputs.items():
             if len(metadata.shape) == 4 and metadata.shape[1] == 3:
                 image_blob_names['fgr'] = name