Reload interval on class variable (#2633)

sanic/mixins/startup.py

@@ -825,7 +825,7 @@ class StartupMixin(metaclass=SanicMeta):
                 reload_dirs: Set[Path] = primary.state.reload_dirs.union(
                     *(app.state.reload_dirs for app in apps)
                 )
-                reloader = Reloader(monitor_pub, 1.0, reload_dirs, app_loader)
+                reloader = Reloader(monitor_pub, 0, reload_dirs, app_loader)
                 manager.manage("Reloader", reloader, {}, transient=False)
 
             inspector = None

sanic/worker/reloader.py

@@ -17,6 +17,8 @@ from sanic.worker.loader import AppLoader
 
 
 class Reloader:
+    INTERVAL = 1.0  # seconds
+
     def __init__(
         self,
         publisher: Connection,
@@ -25,7 +27,7 @@ class Reloader:
         app_loader: AppLoader,
     ):
         self._publisher = publisher
-        self.interval = interval
+        self.interval = interval or self.INTERVAL
         self.reload_dirs = reload_dirs
         self.run = True
         self.app_loader = app_loader