fix n_valid default

baseline.py

@@ -25,7 +25,7 @@ def load_split(data_dir, source, split, n=np.inf):
     labels = [0]*len(webtext)+[1]*len(gen)
     return texts, labels
 
-def main(data_dir, log_dir, source='xl-1542M-k40', n_train=500000, n_valid=1000, n_jobs=-1, verbose=False):
+def main(data_dir, log_dir, source='xl-1542M-k40', n_train=500000, n_valid=10000, n_jobs=None, verbose=False):
     train_texts, train_labels = load_split(data_dir, source, 'train', n=n_train)
     valid_texts, valid_labels = load_split(data_dir, source, 'valid', n=n_valid)
     test_texts, test_labels = load_split(data_dir, source, 'test')