fix task window and stride

iwslt2011.py

@@ -63,13 +63,6 @@ class Task(Enum):
 
 class TaggingTask:
     """Treat punctuation prediction as a sequence tagging problem."""
-
-    def __init__(
-        self, window_size=120, window_stride=60
-    ):
-        self.window_size = window_size
-        self.window_stride = window_stride
-
     def __eq__(self, other):
         return Task.TAGGING == other
 
@@ -78,12 +71,13 @@ class IWSLT11Config(datasets.BuilderConfig):
 
     def __init__(
         self,
+        task = TaggingTask(),
         segmented: bool = False,
         asr_or_ref: str = "ref",
         tokenizer = None,
         label_subword = LabelSubword.IGNORE,
-        window_size = None,
-        window_stride = None,
+        window_size = 120,
+        window_stride = 60,
         **kwargs
     ):
         """BuilderConfig for IWSLT2011.
@@ -92,11 +86,9 @@ class IWSLT11Config(datasets.BuilderConfig):
           segmented: if segmentation present in IWSLT2011 should be respected. removes segmenation by default.
           **kwargs: keyword arguments forwarded to super.
         """
-        self.task = TaggingTask()
-        if window_size is not None:
-            self.task.window_size = window_size
-        if window_stride is not None:
-            self.task.window_stride = window_stride
+        self.task = task
+        self.window_size = window_size
+        self.window_stride = window_stride
         self.segmented = segmented
         self.asr_or_ref = asr_or_ref
         self.punctuation = [
@@ -241,8 +233,8 @@ class IWSLT11(datasets.GeneratorBasedBuilder):
             def apply_window(l):
                 return window(
                     l,
-                    self.config.task.window_size,
-                    self.config.task.window_stride
+                    self.config.window_size,
+                    self.config.window_stride
                 )
             ids = apply_window(np.arange(len(tokens)))
             tokens = apply_window(tokens)
@@ -252,8 +244,8 @@ class IWSLT11(datasets.GeneratorBasedBuilder):
                 return_offsets_mapping=True,
                 padding=True,
                 truncation=True,
-                max_length=int(self.config.task.window_size*2),
-                pad_to_multiple_of=int(self.config.task.window_size*2)
+                max_length=int(self.config.window_size*2),
+                pad_to_multiple_of=int(self.config.window_size*2)
             )
             labels = apply_window(labels)
             for i, (ids, labels) in enumerate(zip(ids, labels)):