| from pathlib import Path | |
| # Check that the test directories exist. | |
| if not (Path(__file__).parent / 'baseline_images').exists(): | |
| raise OSError( | |
| 'The baseline image directory does not exist. ' | |
| 'This is most likely because the test data is not installed. ' | |
| 'You may need to install matplotlib from source to get the ' | |
| 'test data.') | |