Traceback (most recent call last):


 "server.py", line 2, in <module>

from telegram.ext import Updater


 "/usr/local/lib/python3.7/dist-packages/telegram/__init__.py", line 23, in <module>

from .user import User


 "/usr/local/lib/python3.7/dist-packages/telegram/user.py", line 23, in <module>

from telegram.utils.helpers import mention_html as util_mention_html


 "/usr/local/lib/python3.7/dist-packages/telegram/utils/helpers.py", line 93, in <module>

reference_timestamp: float = None, tzinfo: pytz.BaseTzInfo = None) -> float:
AttributeError: module 'pytz' has no attribute 'BaseTzInfo'

Traceback (most recent call last):


 "<string>", line 1, in <module>
AttributeError: module 'scipy.misc' has no attribute 'imsave'
