fixed imports, pylance errors, etc

demos/__init__.py

@@ -0,0 +1 @@
+# placeholder

demos/comprehensive_demo.py

@@ -7,12 +7,14 @@
 import time
 from datetime import datetime
 from loguru import logger
-
 from pocketoptionapi_async.client import AsyncPocketOptionClient
 from pocketoptionapi_async.models import TimeFrame
-from connection_keep_alive import ConnectionKeepAlive
-from connection_monitor import ConnectionMonitor
-from load_testing_tool import LoadTester, LoadTestConfig
+from pocketoptionapi_async.connection_keep_alive import ConnectionKeepAlive
+from pocketoptionapi_async.connection_monitor import ConnectionMonitor
+from tests.performance.load_testing_tool import (
+    LoadTester,
+    LoadTestConfig,
+)
 
 
 async def demo_ssid_format_support():

demos/enhanced_test.py

@@ -40,9 +40,7 @@ async def test_enhanced_connection(self):
         logger.info("Testing Enhanced Connection with Monitoring")
         print("=" * 60)
 
-        client = AsyncPocketOptionClient(
-            session_id=self.session_id, is_demo=self.is_demo
-        )
+        client = AsyncPocketOptionClient(ssid=self.session_id, is_demo=self.is_demo)
 
         try:
             # Test connection with monitoring