critical[invalid-syntax]: name 'tickers' is assigned to before global declaration
 --> tests/_lint/test_files/syntax_errors.py:9:1
   9 |     tickers = ["AAPL", "GOOGL"]
  10 |     global tickers  # 
     |     ^
  11 | 

critical[invalid-syntax]: 'return' outside function
 --> tests/_lint/test_files/syntax_errors.py:15:5
  15 |     if tickers is not None:
  16 |         return tickers
     |        ^
  17 |     return
hint: marimo cells are not normal Python functions; treat cell bodies as top-level code, or use `@app.function` to define a pure function.
