initialize app_instance for check

T4rk1n · T4rk1n · commit 0a6cfd1cae2c · 2025-06-10T10:26:37.000-04:00
diff --git a/dash/_cli.py b/dash/_cli.py
@@ -24,6 +24,7 @@ def load_app(app_path: str) -> Dash:
     except ImportError as e:
         raise ImportError(f"Could not import module '{module_str}'.") from e
 
+    app_instance = None
     if len(app_split) == 2:
         app_str = app_split[1]
         try:
