Allow true / false in pylintrc (#4844)

2 files changed, 5 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index 8d60b386b..02ad13eea 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -130,6 +130,8 @@ Release date: TBA
 
   Closes #4839
 
+* Allow ``true`` and ``false`` values in ``pylintrc`` for better compatibility with ``toml`` config.
+
 
 What's New in Pylint 2.9.6?
 ===========================
diff --git a/pylint/config/option.py b/pylint/config/option.py
index 56aab9628..911287ec6 100644
--- a/pylint/config/option.py
+++ b/pylint/config/option.py
@@ -35,11 +35,11 @@ def _choice_validator(choices, name, value):
 def _yn_validator(opt, _, value):
     if isinstance(value, int):
         return bool(value)
-    if value in ("y", "yes"):
+    if value in ("y", "yes", "true"):
         return True
-    if value in ("n", "no"):
+    if value in ("n", "no", "false"):
         return False
-    msg = "option %s: invalid yn value %r, should be in (y, yes, n, no)"
+    msg = "option %s: invalid yn value %r, should be in (y, yes, true, n, no, false)"
     raise optparse.OptionValueError(msg % (opt, value))