Fix typo

Signed-off-by: Jael Gu <mengjia.gu@zilliz.com>

timesformer.py

@@ -28,8 +28,8 @@ class Timesformer(NNOperator):
             - timesformer_k400_8x224
         skip_preprocess (`str`):
             Flag to skip video transforms.
-        classmap (`str=None`):
-            Path of the json file to match class names.
+        classmap (`dict=None`):
+            The dictionary maps classes to integers.
         topk (`int=5`):
             The number of classification labels to be returned (ordered by possibility from high to low).
     """
@@ -37,7 +37,7 @@ class Timesformer(NNOperator):
                  model_name: str = 'timesformer_k400_8x224',
                  framework: str = 'pytorch',
                  skip_preprocess: bool = False,
-                 classmap: str = None,
+                 classmap: dict = None,
                  topk: int = 5,
                  ):
         super().__init__(framework=framework)