fix: remove type hints from private module

Author: MattGPT-ai

flair/training_utils.py

@@ -10,7 +10,6 @@
 
 from numpy import ndarray
 from scipy.stats import pearsonr, spearmanr
-from scipy.stats._stats_py import PearsonRResult, SignificanceResult
 from sklearn.metrics import mean_absolute_error, mean_squared_error
 from torch.optim import Optimizer
 from torch.utils.data import Dataset
@@ -61,10 +60,10 @@ def mean_squared_error(self) -> Union[float, ndarray]:
     def mean_absolute_error(self):
         return mean_absolute_error(self.true, self.pred)
 
-    def pearsonr(self) -> PearsonRResult:
+    def pearsonr(self):
         return pearsonr(self.true, self.pred)[0]
 
-    def spearmanr(self) -> SignificanceResult:
+    def spearmanr(self):
         return spearmanr(self.true, self.pred)[0]
 
     def to_tsv(self) -> str: