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-rw-r--r--lib/sqlalchemy/testing/engines.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sqlalchemy/testing/engines.py b/lib/sqlalchemy/testing/engines.py
index a74bffe26..d85771f8a 100644
--- a/lib/sqlalchemy/testing/engines.py
+++ b/lib/sqlalchemy/testing/engines.py
@@ -61,7 +61,7 @@ class ConnectionKiller(object):
# is collecting in finalize_fairy, deadlock.
# not sure if this should be if pypy/jython only.
# note that firebird/fdb definitely needs this though
- for conn, rec in self.conns:
+ for conn, rec in list(self.conns):
self._safe(conn.rollback)
def _stop_test_ctx(self):
@@ -81,7 +81,7 @@ class ConnectionKiller(object):
def _stop_test_ctx_aggressive(self):
self.close_all()
- for conn, rec in self.conns:
+ for conn, rec in list(self.conns):
self._safe(conn.close)
rec.connection = None