Fix RunTimeWarning (#3028)

Set default event_loop_policy as suggested in the warning message #3027
spine-tools · Dec 20, 2024 · 16db303 · 16db303
1 parent 7a70978
commit 16db303
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/spinetoolbox/main.py b/spinetoolbox/main.py
@@ -13,6 +13,7 @@
 """Provides the main() function."""
 import multiprocessing
 import os
+import asyncio
 import PySide6
 
 dirname = os.path.dirname(PySide6.__file__)
@@ -39,6 +40,8 @@
 def main():
     """Creates main window GUI and starts main event loop."""
     multiprocessing.freeze_support()
+    if sys.platform == "win32":
+        asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
     logging.basicConfig(
         stream=sys.stderr,
         level=logging.DEBUG,