fix typo

predict_stock_prices.py

@@ -12,7 +12,7 @@ import os
 from typing import List, Dict, Any, Union, Tuple
 
 class BiLSTMModel(nn.Module):
-    def _init_(self, input_size=1, hidden_size=64, num_layers=2, output_size=1):
+    def __init__(self, input_size=1, hidden_size=64, num_layers=2, output_size=1):
         super(BiLSTMModel, self).__init__()
         self.hidden_size = hidden_size
         self.num_layers = num_layers