1.
Python MySQL connector – unread result found when using fetchone
stackoverflow.com/questions/29772337/python-mysql-connector-unread-result-found-when-using-fetchone
2.
Python mysql.connector InternalError: Unread result found when…
stackoverflow.com/questions/38350816/python-mysql-connector-internalerror-unread-result-found-when-close-cursor
3.
Python – mysql.connector.errors.InternalError: Unread result found
www.arrayoverflow.com/question/python-mysql-connector-errors-internalerror-unread-result-found/3196
4.
mysql.connector.errors.InternalError: Unread result found · Issue…
github.com/czcorpus/kontext/issues/4602
5.
MySQL :: MySQL Connector/Python Developer Guide :: 10.12 Errors…
dev.mysql.com/doc/connector-python/en/connector-python-api-errors.html
6.
Executing Queries using Connector/Python – MySQL… – OverIQ.com
overiq.com/mysql-connector-python-101/executing-queries-using-connector-python/
7. 
mysql.connector.errors.InternalError: Unread result found.
ddcode.net/2019/04/14/mysql-connector-errors-internalerror-unread-result-found/
8.
Почему вылетает ошибка mysql.connector.errors.InternalError…
qna.habr.com/q/347813
9.
ERROR in executing Python code contains mysql code… – CodeProject
www.codeproject.com/Questions/5326844/ERROR-in-executing-Python-code-contains-mysql-code
10.
mysql.connector buffered option? | Forum
forum.kodi.tv/showthread.php?tid=207462
11.
Python reads the database error… – Programmer Sought
programmersought.com/article/99136736095/
Conclusion
Guide above should be useful for Mysql Connector Errors Internalerror Unread Result Found.