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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _coerce_scalar_to_index(self, item):
 """ We need to coerce a scalar to a compat for our index type. Parameters item : scalar item to coerce """

        dtype = self.dtype

        if self._is_numeric_dtype and isna(item):
            # We can't coerce to the numeric dtype of "self" (unless
            # it's float) if there are NaN values in our output.
            dtype = None

        return Index([item], dtype=dtype, **self._get_attributes_dict())