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-rw-r--r--pysnmp/hlapi/v1arch/dispatch.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/pysnmp/hlapi/v1arch/dispatch.py b/pysnmp/hlapi/v1arch/dispatch.py
index 0c222281..09041eb2 100644
--- a/pysnmp/hlapi/v1arch/dispatch.py
+++ b/pysnmp/hlapi/v1arch/dispatch.py
@@ -141,8 +141,8 @@ class AbstractSnmpDispatcher(object):
return wholeMsg
def _timerCb(self, timeNow):
- for requestId, stateInfo in self._pendingReqs.items():
- if stateInfo['timestamp'] < timeNow:
+ for requestId, stateInfo in tuple(self._pendingReqs.items()):
+ if stateInfo['timestamp'] > timeNow:
continue
retries = stateInfo['retries']