Activiti, an open source process engine, uses Business ProcessModel and Notation to provide a standard way to capture businessprocesses and to convert those models into executable code. It'slightweight and integrates seamlessly with standard applicationsoftware such as Spring. Also included is a set of design andmanagement tools that even helps developers who have never used aprocess engine get productive quickly.

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Pytesseract是一个Python的OCR库，它可以识别图片中的文本并将其转换成文本形式。Pytesseract基于Google的Tesseract OCR引擎，具有较高的准确性和可靠性。它可以读取多种格式的图片，包括PNG、JPEG、GIF等。Pytesseract可以应用于自然语言处理、数据挖掘、OCR识别等领域。

近日在尝试引用其他文件的代码时，遇到了错误: ImportError: attempted relative import with no known parent package.

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