Fixed typo in django/utils/crypto.py.
@@ -50,7 +50,7 @@ NOT_PROVIDED = object() # RemovedInDjango40Warning.
# RemovedInDjango40Warning: when the deprecation ends, replace with:
-# def get_random_string(self, length, allowed_chars='...'):
+# def get_random_string(length, allowed_chars='...'):
def get_random_string(length=NOT_PROVIDED, allowed_chars=(
'abcdefghijklmnopqrstuvwxyz'
'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
