Traceback (most recent call last):


 "/root/.local/lib/python3.9/site-packages/pandas/core/indexes/base.py", line 3080, in get_loc

return self._engine.get_loc(casted_key)


 "pandas/_libs/index.pyx", line 70, in pandas._libs.index.IndexEngine.get_loc


 "pandas/_libs/index.pyx", line 101, in pandas._libs.index.IndexEngine.get_loc


 "pandas/_libs/hashtable_class_helper.pxi", line 4554, in pandas._libs.hashtable.PyObjectHashTable.get_item


 "pandas/_libs/hashtable_class_helper.pxi", line 4562, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 'profit_percent'

Traceback (most recent call last):


 "C:\Users\admin\AppData\Local\Programs\Python\Python36\lib\multiprocessing\context.py", line 190, in get_context

ctx = _concrete_contexts[method]
KeyError: 'forkserver'
