1 files changed, 12 insertions, 5 deletions
diff --git a/pylint/reporters/base_reporter.py b/pylint/reporters/base_reporter.py
index e74ffdd89..9bd9e80e6 100644
--- a/pylint/reporters/base_reporter.py
+++ b/pylint/reporters/base_reporter.py
@@ -3,11 +3,15 @@
 
 import os
 import sys
-from typing import List, Optional
+from typing import TYPE_CHECKING, List, Optional
 
 from pylint.message import Message
+from pylint.reporters.ureports.nodes import Text
 from pylint.typing import CheckerStats
 
+if TYPE_CHECKING:
+    from pylint.reporters.ureports.nodes import Section
+
 
 class BaseReporter:
     """base class for reporters
@@ -39,18 +43,21 @@ class BaseReporter:
         """write a line in the output buffer"""
         print(string, file=self.out)
 
-    def display_reports(self, layout):
+    def display_reports(self, layout: "Section") -> None:
         """display results encapsulated in the layout tree"""
         self.section = 0
         if layout.report_id:
-            layout.children[0].children[0].data += f" ({layout.report_id})"
+            if isinstance(layout.children[0].children[0], Text):
+                layout.children[0].children[0].data += f" ({layout.report_id})"
+            else:
+                raise ValueError(f"Incorrect child for {layout.children[0].children}")
         self._display(layout)
 
-    def _display(self, layout):
+    def _display(self, layout: "Section") -> None:
         """display the layout"""
         raise NotImplementedError()
 
-    def display_messages(self, layout):
+    def display_messages(self, layout: Optional["Section"]) -> None:
         """Hook for displaying the messages of the reporter
 
         This will be called whenever the underlying messages