add comment for component setup method

logprep/abc/component.py

@@ -100,6 +100,10 @@ def setup(self):
         """Set the component up."""
         self._populate_cached_properties()
         if not "http" in self._config.type:
+            # HTTP input connector spins up an http server
+            # only on the first pipeline process
+            # but this runs on all pipeline processes which leads to never
+            # completing the setup phase
             self._wait_for_health()
 
     def _wait_for_health(self) -> None: