FIX: Fix for all system recs logged as heartbeats

threecgreen · threecgreen · commit d84b9ebd9fa2 · 2025-04-23T15:55:14.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.52.1 - TBD
+
+#### Bug fixes
+- Fixed issue where all `SystemMsg` records were logged as gateway heartbeats
+
 ## 0.52.0 - 2025-04-15
 
 #### Enhancements
diff --git a/databento/live/protocol.py b/databento/live/protocol.py
@@ -374,7 +374,7 @@ def _process_dbn(self, data: bytes) -> None:
                     )
                     self._error_msgs.append(record.err)
                 elif isinstance(record, databento_dbn.SystemMsg):
-                    if record.is_heartbeat:
+                    if record.is_heartbeat():
                         logger.debug("gateway heartbeat")
                     else:
                         logger.info(

Original file line number	Diff line number	Diff line change
`@@ -374,7 +374,7 @@ def _process_dbn(self, data: bytes) -> None:`
`374`	`374`	`)`
`375`	`375`	`self._error_msgs.append(record.err)`
`376`	`376`	`elif isinstance(record, databento_dbn.SystemMsg):`
`377`		`- if record.is_heartbeat:`
	`377`	`+ if record.is_heartbeat():`
`378`	`378`	`logger.debug("gateway heartbeat")`
`379`	`379`	`else:`
`380`	`380`	`logger.info(`