The package pdfminer.six's new version '20231228' has removed the support for python 3.6 and 3.7.
When installing chemdataextractor2 without using requirement.txt, an error will occur because file 'setup.py' does not specify the version of pdfminer.six if python version <= 3.7 .
The package pdfminer.six's new version '20231228' has removed the support for python 3.6 and 3.7. When installing chemdataextractor2 without using requirement.txt, an error will occur because file 'setup.py' does not specify the version of pdfminer.six if python version <= 3.7 .