Fix dynamic color mapping for "fail-on" messages when using multiple reporter/output formats (#10826)

Co-authored-by: Felix Preuschoff <[email protected]>
(cherry picked from commit 217212f)

Author: 2 people

doc/whatsnew/fragments/10825.bugfix

@@ -0,0 +1,3 @@
+Fixed dynamic color mapping for "fail-on" messages when using multiple reporter/output formats.
+
+Closes #10825

pylint/lint/pylinter.py

@@ -545,9 +545,9 @@ def pass_fail_on_config_to_color_reporter(self) -> None:
         if isinstance(self.reporter, ColorizedTextReporter):
             self.reporter.set_fail_on_symbols(self.fail_on_symbols)
         elif isinstance(self.reporter, reporters.MultiReporter):
-            for _reporter in self.reporter._sub_reporters:
-                if isinstance(self.reporter, ColorizedTextReporter):
-                    self.reporter.set_fail_on_symbols(self.fail_on_symbols)
+            for reporter in self.reporter._sub_reporters:
+                if isinstance(reporter, ColorizedTextReporter):
+                    reporter.set_fail_on_symbols(self.fail_on_symbols)
 
     def disable_reporters(self) -> None:
         """Disable all reporters."""