"""Exceptions used with python-docx. The base exception class is PythonDocxError. """ class PythonDocxError(Exception): """Generic error class.""" class InvalidSpanError(PythonDocxError): """Raised when an invalid merge region is specified in a request to merge table cells.""" class InvalidXmlError(PythonDocxError): """Raised when invalid XML is encountered, such as on attempt to access a missing required child element."""