Fix loading tokenized data set in train cls

tests/test_end_to_end.py

@@ -68,6 +68,11 @@ def test_ulmfit_works_with_relative_paths():
     exp2 = ulmfit.train_clas.CLSHyperParams.from_lm(test_data / 'imdb', exp.model_dir)
     exp2.train_cls(num_lm_epochs=1, unfreeze=False, bs=4,)
 
+    # should work for the second time as well
+
+    exp2 = ulmfit.train_clas.CLSHyperParams.from_lm(test_data / 'imdb', exp.model_dir)
+    exp2.train_cls(num_lm_epochs=0, unfreeze=False, bs=4, )
+
 
 def test_ulmfit_default_end_to_end():
     """  Test ulmfit with (default) Moses tokenizer on small wikipedia dataset.

ulmfit/train_clas.py

@@ -137,7 +137,7 @@ class CLSHyperParams(LMHyperParams):
 
         args['vocab'] = data_lm.vocab # make sure we use the same vocab for classifcation
         try:
-            data_cls = TextClasDataBunch.load(self.cache_dir, '.', lm_type=self.lm_type)
+            data_cls = TextClasDataBunch.load(self.cache_dir, '.')
             print("Tokenized data loaded")
         except FileNotFoundError:
             print("Running tokenization")