fixed return on catched error in hook

Author: mathisxy

src/edgygraph/graphs.py

@@ -165,7 +165,7 @@ async def __call__(self, state: T, shared: S) -> Tuple[T, S]:
 
             return state, shared
 
-        
+
         except Exception as e:
 
             # Hook
@@ -176,6 +176,8 @@ async def __call__(self, state: T, shared: S) -> Tuple[T, S]:
 
             if e:
                 raise e
+        
+            return state, shared