--- a/eric6/Debugger/CallTraceViewer.py	Mon Apr 12 19:25:18 2021 +0200
+++ b/eric6/Debugger/CallTraceViewer.py	Mon Apr 12 19:54:29 2021 +0200
@@ -185,10 +185,7 @@
                         itm = self.callTrace.topLevelItem(0)
                         while itm is not None:
                             isCall = itm.data(0, Qt.ItemDataRole.UserRole)
-                            if isCall:
-                                call = "->"
-                            else:
-                                call = "<-"
+                            call = "->" if isCall else "<-"
                             f.write("{0} {1} || {2}\n".format(
                                 call,
                                 itm.text(1), itm.text(2)))