backoffice: display timeout as is when it's not a straight number (#25090)

tests/test_backoffice_pages.py

@@ -4238,3 +4238,28 @@ def test_backoffice_forms_condition_on_button(pub):
     resp = resp.click('Management', index=0)
     resp = resp.follow()
     assert '8 open on 50' in resp.body  # only the accepted ones
+
+def test_workflow_inspect_page(pub):
+    create_superuser(pub)
+    create_environment(pub, set_receiver=True)
+
+    workflow = Workflow.get_default_workflow()
+    workflow.id = '2'
+
+    st1 = workflow.add_status('Status1')
+    jump = JumpWorkflowStatusItem()
+    jump.id = '_jump'
+    jump.timeout = '=86400'
+    jump.status = 'finished'
+    st1.items.append(jump)
+    jump.parent = st1
+    workflow.store()
+
+    app = login(get_app(pub))
+    resp = app.get('/backoffice/workflows/%s/inspect' % workflow.id)
+    assert '=86400' in resp.body
+
+    jump.timeout = '82800'
+    workflow.store()
+    resp = app.get('/backoffice/workflows/%s/inspect' % workflow.id)
+    assert '23 hours' in resp.body

wcs/workflows.py

@@ -1621,7 +1621,10 @@ class WorkflowStatusItem(XmlSerialisable):
         return self.render_list_of_roles(self.by)
 
     def get_timeout_parameter_view_value(self):
-        return seconds2humanduration(int(self.timeout or 0))
+        try:
+            return seconds2humanduration(int(self.timeout or 0))
+        except ValueError:
+            return self.timeout  # probably an expression
 
     def get_status_parameter_view_value(self):
         for status in self.parent.parent.possible_status: