File "/mnt/vol2/Programs/project1/helpers.py", line 8, in <module>
from whoosh.qparser import QueryParser
File "/usr/local/lib/python3.6/dist-packages/Whoosh-2.7.4-py3.6.egg/whoosh/qparser/__init__.py", line 28, in <module>
File "/usr/local/lib/python3.6/dist-packages/Whoosh-2.7.4-py3.6.egg/whoosh/qparser/default.py", line 30, in <module>
File "/usr/local/lib/python3.6/dist-packages/Whoosh-2.7.4-py3.6.egg/whoosh/query/__init__.py", line 28, in <module>
File "/usr/local/lib/python3.6/dist-packages/Whoosh-2.7.4-py3.6.egg/whoosh/query/qcore.py", line 34, in <module>
File "/usr/local/lib/python3.6/dist-packages/Whoosh-2.7.4-py3.6.egg/whoosh/reading.py", line 35, in <module>
ModuleNotFoundError: No module named 'cached_property'