Python3 migration done

src/PeaksSearch.py

@@ -236,11 +236,10 @@ def main():
         U = PyTango.Util.instance()
         U.server_init()
         U.server_run()
-
-    except PyTango.DevFailed,e:
-        print '-------> Received a DevFailed exception:',e
-    except Exception,e:
-        print '-------> An unforeseen exception occured....',e
+    except PyTango.DevFailed as df:
+        print ('-------> Received a DevFailed exception:',df)
+    except Exception as e:
+        print ('-------> An unforeseen exception occured....',e)
 
 if __name__ == '__main__':
     main()