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-rw-r--r--src/vpp-api/vapi/vapi_json_parser.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vpp-api/vapi/vapi_json_parser.py b/src/vpp-api/vapi/vapi_json_parser.py
index 6d2db422c96..1383d456bf1 100644
--- a/src/vpp-api/vapi/vapi_json_parser.py
+++ b/src/vpp-api/vapi/vapi_json_parser.py
@@ -164,7 +164,7 @@ class Message(object):
raise ParseError("While parsing message `%s': could not find all "
"common header fields" % name)
for field in m[1:]:
- if len(field) == 1 and 'crc' in field:
+ if isinstance(field, dict) and 'crc' in field:
self.crc = field['crc']
logger.debug("Found CRC `%s'" % self.crc)
continue