Cannot generate docs, raising error ImportError: cannot import name 'ascii_letters' from 'reportlab.lib.utils'

[kevin-rainmaker]

Hello, when i try to gen th docs.Always raising the import error. My reportlab version is 3.6.9 and python version is 3.7.1 I has installed requirements of reportlab. But encountering a error about the version when installing svglib. I don't know whether the error is related to it. Below is the result of pip list.

Package Version

---

altgraph 0.17.2 cffi 1.15.0 click 7.1.2 cssselect2 0.5.0 fonttools 4.31.2 future 0.18.2 gevent 21.12.0 greenlet 1.1.2 importlib-metadata 4.11.3 lxml 4.8.0 pefile 2021.9.3 Pillow 9.1.0 pip 21.0.1 Pmw-py3 2.1 preppy 4.0.2 pycparser 2.21 pyinstaller 4.10 pyinstaller-hooks-contrib 2022.3 PyQt5 5.15.4 pyqt5-plugins 5.15.4.2.2 PyQt5-Qt5 5.15.2 PyQt5-sip 12.9.1 PyQt5-stubs 5.15.2.0 pyqt5-tools 5.15.4.3.2 pyRXP 3.0.1 python-dotenv 0.20.0 pywin32-ctypes 0.2.0 qt5-applications 5.15.2.2.2 qt5-tools 5.15.2.1.2 reportlab 3.6.9 rlextra 3.6.9 SCons 4.3.0 setuptools 39.0.1 SQLAlchemy 1.3.23 svglib 1.1.0 tinycss2 1.1.1 typing-extensions 4.1.1 webencodings 0.5.1 zipp 3.7.0 zope.event 4.5.0 zope.interface 5.4.0

[hellowac]

refer to requirements.txt , use reportlab version 3.5.56