fix server

fastapi_server.py

@@ -1049,7 +1049,6 @@ import asyncio
 import threading
 from concurrent.futures import ThreadPoolExecutor
 import uuid
-from datetime import datetime
 
 # Add a global executor for background tasks
 executor = ThreadPoolExecutor(max_workers=4)
@@ -1067,7 +1066,7 @@ def run_tests_background(config_dict: dict, report_id: str):
             "status": result_status,
             "result": result,
             "report_directory": result.get("report_directory", task_state.get("report_directory")),
-            "completed_at": datetime.now().isoformat()
+            "completed_at": datetime.datetime.now().isoformat()
         })
         if result_status == "error":
             task_state["error"] = result.get("message")
@@ -1079,7 +1078,7 @@ def run_tests_background(config_dict: dict, report_id: str):
             "status": "error",
             "error": str(e),
             "traceback": traceback.format_exc(),
-            "completed_at": datetime.now().isoformat()
+            "completed_at": datetime.datetime.now().isoformat()
         })
         running_tasks[report_id] = task_state
 
@@ -1101,7 +1100,7 @@ async def run_api_tests(config: TestConfig):
     """
     try:
         # Generate report ID and directory
-        report_id = datetime.now().strftime("%Y%m%d_%H%M%S") + "_" + str(uuid.uuid4())[:8]
+        report_id = datetime.datetime.now().strftime("%Y%m%d_%H%M%S") + "_" + str(uuid.uuid4())[:8]
         report_directory_path = (Path(REPORTS_DIR) / report_id).resolve()
 
         # Prepare config
@@ -1126,7 +1125,7 @@ async def run_api_tests(config: TestConfig):
             "status": "running",
             "report_id": report_id,
             "report_directory": str(report_directory_path),
-            "created_at": datetime.now().isoformat(),
+            "created_at": datetime.datetime.now().isoformat(),
             "status_url": f"/status/{report_id}",
             "report_url": f"/reports/{report_id}"
         }