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-rw-r--r--lib/sqlalchemy/testing/util.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/testing/util.py b/lib/sqlalchemy/testing/util.py
index 153ce4d0a..d061f26a2 100644
--- a/lib/sqlalchemy/testing/util.py
+++ b/lib/sqlalchemy/testing/util.py
@@ -59,7 +59,7 @@ def picklers():
# yes, this thing needs this much testing
for pickle_ in picklers:
- for protocol in range(-2, pickle.HIGHEST_PROTOCOL):
+ for protocol in range(-2, pickle.HIGHEST_PROTOCOL + 1):
yield pickle_.loads, lambda d: pickle_.dumps(d, protocol)