fix: organize imports in serialization.py

Co-Authored-By: Aaron <AJ> Steers <[email protected]>

Author: devin-ai-integration[bot]

airbyte/http_caching/serialization.py

@@ -6,12 +6,17 @@
 import json
 import logging
 from enum import Enum
-from typing import TYPE_CHECKING, Any, Protocol
+from typing import TYPE_CHECKING, Any, Protocol, cast
 
-from mitmproxy.http import HTTPFlow
 from mitmproxy.io import io
 
 
+if TYPE_CHECKING:
+    from pathlib import Path
+
+    from mitmproxy.http import HTTPFlow
+
+
 logger = logging.getLogger(__name__)
 
 
@@ -123,7 +128,7 @@ def deserialize(self, path: Path) -> T_SerializedData:
 
                 if flows and len(flows) > 0:
                     flow = flows[0]
-                    http_flow = flow  # type: HTTPFlow
+                    http_flow = cast("HTTPFlow", flow)
                     return {
                         "type": "http",
                         "request": http_flow.request.get_state() if http_flow.request else {},