Fix for running in pythonw

sanic-org · May 12, 2022 · 037b286 · 037b286
1 parent 2bfa65e
commit 037b286
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sanic/mixins/runner.py b/sanic/mixins/runner.py
@@ -424,7 +424,7 @@ def _helper(
 
         self.motd(self.serve_location)
 
-        if sys.stdout.isatty() and not self.state.is_debug:
+        if sys.stdout and sys.stdout.isatty() and not self.state.is_debug:
             error_logger.warning(
                 f"{Colors.YELLOW}Sanic is running in PRODUCTION mode. "
                 "Consider using '--debug' or '--dev' while actively "