From d59a7c5bad535384d0fead83222ccc8f6b839709 Mon Sep 17 00:00:00 2001
From: "Michael St. Onge" <31676847+mcsj120@users.noreply.github.com>
Date: Tue, 12 Jul 2022 14:08:54 -0700
Subject: [PATCH] Added bool to type hint for 'on' function in Joiner

---
 pypika/queries.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pypika/queries.py b/pypika/queries.py
index 42c7c459..babf7a4e 100644
--- a/pypika/queries.py
+++ b/pypika/queries.py
@@ -1618,7 +1618,7 @@ def __init__(
         self.how = how
         self.type_label = type_label
 
-    def on(self, criterion: Optional[Criterion], collate: Optional[str] = None) -> QueryBuilder:
+    def on(self, criterion: Optional[Union[Criterion, bool]], collate: Optional[str] = None) -> QueryBuilder:
         if criterion is None:
             raise JoinException(
                 "Parameter 'criterion' is required for a "