Traceback (most recent call last):


 "db_manager.py", line 13, in <module>

keys_table = Table('keys_table', metadata,


 "<string>", line 2, in __new__


 "C:\Users\admin\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\util\deprecations.py", line 298, in warned

return fn(*args, **kwargs)


 "C:\Users\admin\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\sql\schema.py", line 601, in __new__

metadata._remove_table(name, schema)


 "C:\Users\admin\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\util\langhelpers.py", line 70, in __exit__

compat.raise_(


 "C:\Users\admin\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\util\compat.py", line 198, in raise_

raise exception


 "C:\Users\admin\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\sql\schema.py", line 596, in __new__

table._init(name, metadata, *args, **kw)


 "C:\Users\admin\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\sql\schema.py", line 631, in _init

PrimaryKeyConstraint(


 "C:\Users\admin\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\sql\base.py", line 1014, in _set_parent_with_dispatch

self._set_parent(parent, **kw)


 "C:\Users\admin\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\sql\schema.py", line 3805, in _set_parent

table_pks = [c for c in table.c if c.primary_key]


 "C:\Users\admin\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\sql\schema.py", line 488, in c

return self._c
AttributeError: 'Table' object has no attribute '_c'

Traceback (most recent call last):


 "/projecthome/venv/lib/python3.6/site-packages/remi/server.py", line 788, in do_GET

self.client.root = self.main(*self.server.userdata)


 "widgetoverview.py", line 40, in main

self.table.set_on_table_row_click_listener(self.on_table_row_click)
AttributeError: 'Table' object has no attribute 'set_on_table_row_click_listener'
