Fix json typo

spyder/app/tests/test_mainwindow.py

@@ -6014,21 +6014,21 @@ def test_recursive_debug(main_window, qtbot):
     with qtbot.waitSignal(shell.executed):
         shell.execute('s')
     # a in framesbrowser
-    assert frames_browser.frames['pdb'][2].name == 'a'
+    assert frames_browser.frames['pdb'][2]["name"] == 'a'
 
     # Recursive debug
     with qtbot.waitSignal(shell.executed):
         shell.execute('debug b()')
     with qtbot.waitSignal(shell.executed):
         shell.execute('s')
     # b in framesbrowser
-    assert frames_browser.frames['pdb'][2].name == 'b'
+    assert frames_browser.frames['pdb'][2]["name"] == 'b'
 
     # Quit recursive debugger
     with qtbot.waitSignal(shell.executed):
         shell.execute('q')
     # a in framesbrowser
-    assert frames_browser.frames['pdb'][2].name == 'a'
+    assert frames_browser.frames['pdb'][2]["name"] == 'a'
 
     # quit debugger
     with qtbot.waitSignal(shell.executed):

spyder/plugins/debugger/widgets/framesbrowser.py

@@ -242,7 +242,7 @@ def show_pdb(self, pdb_stack, curindex):
     def show_exception(self, etype, error, tb):
         """Set frames from exception"""
         self._show_frames(
-            {etype.__name__: tb}, _("Exception occured"),
+            {etype: tb}, _("Exception occured"),
             FramesBrowserState.Error)
         self.sig_update_actions_requested.emit()