refactor(fork): working with fork fix from ape core

depends: ApeWorX/ape#2349

silverback/main.py

@@ -1,4 +1,3 @@
-import asyncio
 import atexit
 import inspect
 from collections import defaultdict
@@ -235,22 +234,19 @@ async def __create_snapshot_handler(
     # To ensure we don't have too many forks at once
     # HACK: Until `NetworkManager.fork` (and `ProviderContextManager`) allows concurrency
 
-    fork_lock: asyncio.Lock = asyncio.Lock()
-
     def _with_fork_decorator(self, handler: Callable) -> Callable:
         # Trigger worker-side handling using fork network by wrapping handler
         fork_context = self.provider.network_manager.fork
 
         @wraps(handler)
         async def fork_handler(*args, **kwargs):
-            async with self.fork_lock:
-                with fork_context():
-                    result = handler(*args, **kwargs)
+            with fork_context():
+                result = handler(*args, **kwargs)
 
-                    if inspect.isawaitable(result):
-                        return await result
+                if inspect.isawaitable(result):
+                    return await result
 
-                    return result
+                return result
 
         return fork_handler