from xml.etree.ElementTree import XML

...
class Paragraph(Parented):
...
    @property
    def accepted_text(self):
        """
        String formed by accepting all changes and concatenating
        the text of each run in the paragraph.
        Tabs and line breaks in the XML are mapped to ``\\t`` and ``\\n``
        characters respectively.
        """
        W_NAMESPACE = "{http://schemas.openxmlformats.org/wordprocessingml/2006/main}"
        TEXT = W_NAMESPACE + "t"
        xml = self._p.xml
        if "w:del" in xml or "w:ins" in xml:
            tree = XML(xml)
            runs = (node.text for node in tree.iter(TEXT) if node.text)
            return "".join(runs)
        else:
            return self.text

for p in Document(path).paragraphs:
    print(p.accepted_text)

from docx.oxml.ns import qn, nsmap

def accepted_text(p):
    def _accepted_text(p):
        text = ''
        for run in p.xpath('w:r[not(w:pPr/w:rPr/w:moveFrom)] | w:ins/w:r'):
            for child in run:
                if child.tag == qn('w:t'):
                    text += child.text or ''
                elif child.tag == qn('w:tab'):
                    text += '\t'
                elif child.tag in (qn('w:br'), qn('w:cr')):
                    text += '\n'
                elif child.tag == qn('mc:AlternateContent'):
                    for nested_p in child.xpath('mc:Choice[1]//w:p', namespaces=nsmap):
                        text += _accepted_text(nested_p)
                        text += '\n'
        return text

    nsmap['mc'] = 'http://schemas.openxmlformats.org/markup-compatibility/2006'
    return _accepted_text(p._p)