chore(profiling): improve typing in memalloc.py

Author: KowalskiThomas

ddtrace/profiling/collector/memalloc.py

@@ -9,6 +9,8 @@
 from typing import Type
 from typing import cast
 
+from typing_extensions import override
+
 
 try:
     from ddtrace.profiling.collector import _memalloc
@@ -25,7 +27,7 @@
 LOG = logging.getLogger(__name__)
 
 
-class MemoryCollector:
+class MemoryCollector(collector.Collector):
     """Memory allocation collector."""
 
     def __init__(
@@ -152,3 +154,11 @@ def snapshot_and_parse_pprof(self, output_filename: str) -> Any:
             )
 
         return pprof_utils.parse_newest_profile(output_filename)
+
+    @override
+    def _start_service(self, *args: Any, **kwargs: Any) -> None:
+        raise NotImplementedError("MemoryCollector cannot be started")
+
+    @override
+    def _stop_service(self, *args: Any, **kwargs: Any) -> None:
+        raise NotImplementedError("MemoryCollector cannot be stopped")