{"record":{"id":"a6c534dc730ea3ec","repo":"rohitg00/ai-engineering-from-scratch","slug":"could-not-load-lesson-58-main-py-at-src","errorCode":null,"errorMessage":"could not load lesson 58 main.py at {src}","messagePattern":"could not load lesson 58 main\\.py at (.+?)","errorType":"exception","errorClass":"ImportError","httpStatus":null,"severity":"error","filePath":"phases/19-capstone-projects/59-vit-transformer/code/main.py","lineNumber":35,"sourceCode":"import numpy as np\nimport torch\nimport torch.nn as nn\nimport torch.nn.functional as F\n\nTHIS_DIR = Path(__file__).resolve().parent\nLESSON_58 = THIS_DIR.parent.parent / \"58-vision-encoder-patches\" / \"code\"\n\n\ndef _load_front_end_module():\n    import importlib.util\n\n    name = \"vision_front_end_lesson58\"\n    if name in sys.modules:\n        return sys.modules[name]\n    src = LESSON_58 / \"main.py\"\n    spec = importlib.util.spec_from_file_location(name, src)\n    if spec is None or spec.loader is None:\n        raise ImportError(f\"could not load lesson 58 main.py at {src}\")\n    mod = importlib.util.module_from_spec(spec)\n    sys.modules[name] = mod\n    spec.loader.exec_module(mod)\n    return mod\n\n\n_front_module = _load_front_end_module()\nFrontEndConfig = _front_module.FrontEndConfig\nVisionFrontEnd = _front_module.VisionFrontEnd\nsynthesize_image = _front_module.synthesize_image\n\n\n@dataclass(frozen=True)\nclass ViTConfig:\n    image_size: int = 224\n    patch_size: int = 16\n    in_channels: int = 3\n    hidden: int = 768","sourceCodeStart":17,"sourceCodeEnd":53,"githubUrl":"https://github.com/rohitg00/ai-engineering-from-scratch/blob/39ea8a1c6d0b61f071226eff7ede4d4105fed820/phases/19-capstone-projects/59-vit-transformer/code/main.py#L17-L53","documentation":"Error \"could not load lesson 58 main.py at {src}\" thrown in rohitg00/ai-engineering-from-scratch.","triggerScenarios":"Thrown at phases/19-capstone-projects/59-vit-transformer/code/main.py:35 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"39ea8a1c6d0b61f071226eff7ede4d4105fed820","analyzedAt":"2026-08-26T03:13:46.626Z","schemaVersion":2},"datasetVersion":"2026-08-26T07:17:17.940Z"}