Report a Spyder issue to github, generating body text if needed.

def report_issue(self, body=None, title=None, open_webpage=False):
        """Report a Spyder issue to github, generating body text if needed."""
        if body is None:
            from spyder.widgets.reporterror import SpyderErrorDialog
            report_dlg = SpyderErrorDialog(self, is_report=True)
            report_dlg.show()
        else:
            if open_webpage:
                if PY3:
                    from urllib.parse import quote
                else:
                    from urllib import quote     # analysis:ignore
                from qtpy.QtCore import QUrlQuery

                url = QUrl(__project_url__ + '/issues/new')
                query = QUrlQuery()
                query.addQueryItem("body", quote(body))
                if title:
                    query.addQueryItem("title", quote(title))
                url.setQuery(query)
                QDesktopServices.openUrl(url)