fix: 若干改进

src/heurams/kernel/reactor/procession.py

@@ -33,12 +33,12 @@ class Procession():
 
     def __len__(self):
         return (len(self.queue) - self.cursor)
-    
+
     def process(self):
         return (self.cursor)
-    
+
     def total_length(self):
         return len(self.queue)
 
     def is_empty(self):
-        return len(self.queue)
+        return len(self.queue)