o código retorna o seguinte erro:
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
Input In [566], in <cell line: 1>()
----> 1 configuracao.unstack()
File ~\anaconda3\lib\site-packages\pandas\core\frame.py:8419, in DataFrame.unstack(self, level, fill_value)
8357 """
8358 Pivot a level of the (necessarily hierarchical) index labels.
8359
(...)
8415 dtype: float64
8416 """
8417 from pandas.core.reshape.reshape import unstack
-> 8419 result = unstack(self, level, fill_value)
8421 return result.__finalize__(self, method="unstack")
File ~\anaconda3\lib\site-packages\pandas\core\reshape\reshape.py:478, in unstack(obj, level, fill_value)
476 if isinstance(obj, DataFrame):
477 if isinstance(obj.index, MultiIndex):
--> 478 return _unstack_frame(obj, level, fill_value=fill_value)
479 else:
480 return obj.T.stack(dropna=False)
File ~\anaconda3\lib\site-packages\pandas\core\reshape\reshape.py:505, in _unstack_frame(obj, level, fill_value)
503 return obj._constructor(mgr)
504 else:
--> 505 unstacker = _Unstacker(obj.index, level=level, constructor=obj._constructor)
506 return unstacker.get_result(
507 obj._values, value_columns=obj.columns, fill_value=fill_value
508 )
File ~\anaconda3\lib\site-packages\pandas\core\reshape\reshape.py:140, in _Unstacker.__init__(self, index, level, constructor)
133 if num_cells > np.iinfo(np.int32).max:
134 warnings.warn(
135 f"The following operation may generate {num_cells} cells "
136 f"in the resulting pandas object.",
137 PerformanceWarning,
138 )
--> 140 self._make_selectors()
File ~\anaconda3\lib\site-packages\pandas\core\reshape\reshape.py:192, in _Unstacker._make_selectors(self)
189 mask.put(selector, True)
191 if mask.sum() < len(self.index):
--> 192 raise ValueError("Index contains duplicate entries, cannot reshape")
194 self.group_index = comp_index
195 self.mask = mask
ValueError: Index contains duplicate entries, cannot reshape