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-rw-r--r--passlib/registry.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/passlib/registry.py b/passlib/registry.py
index 5806816..e9781d9 100644
--- a/passlib/registry.py
+++ b/passlib/registry.py
@@ -294,6 +294,7 @@ def get_crypt_handler(name, default=_NOTSET):
return handler
#normalize name (and if changed, check dict again)
+ assert isinstance(name, str), "name must be str instance"
alt = name.replace("-","_").lower()
if alt != name:
warn("handler names should be lower-case, and use underscores instead "