Fixed bug with stopPipeline error in custom python process objects

Author: smistad

source/FAST/Python/ProcessObjects.i.in

@@ -62,6 +62,10 @@
                 ProcessObject::createOutputPort<DataObject>(port);
             }
 
+            virtual void stopPipeline() override {
+                ProcessObject::stopPipeline();
+            }
+
         }; // end class python process object
 
         class PythonStreamer : public Streamer {
@@ -114,6 +118,9 @@
             void frameAdded() {
                 Streamer::frameAdded();
             }
+            virtual void stopPipeline() override {
+                Streamer::stopPipeline();
+            }
         }; // end class python streamer
 
 
@@ -198,6 +205,9 @@
             void setFramerate(int framerate) {
                 RandomAccessStreamer::setFramerate(framerate);
             }
+            virtual void stopPipeline() override {
+                RandomAccessStreamer::stopPipeline();
+            }
         }; // end class python random access streamer
     } // end namespace
     %}