fix rust & mypy errors

flair/embeddings/image.py

@@ -73,7 +73,7 @@ class PrecomputedImageEmbeddings(ImageEmbeddings):
     def __init__(self, url2tensor_dict, name) -> None:
         self.url2tensor_dict = url2tensor_dict
         self.name = name
-        self.__embedding_length = len(list(self.url2tensor_dict.values())[0])
+        self.__embedding_length = len(next(iter(self.url2tensor_dict.values())))
         self.static_embeddings = True
         super().__init__()
 

flair/models/multitask_model.py

@@ -116,7 +116,7 @@ def split_batch_to_task_ids(sentences: Union[List[Sentence], Sentence], all_task
                     batch_to_task_mapping[multitask_id.value] = [sentence_id]
         return batch_to_task_mapping
 
-    def evaluate(
+    def evaluate(  # type: ignore[override]
         self,
         data_points,
         gold_label_type: str,

flair/trainers/trainer.py

@@ -454,7 +454,7 @@ def train_custom(
             if inspect.isclass(sampler):
                 sampler = sampler()
             # set dataset to sample from
-            sampler.set_dataset(train_data)
+            sampler.set_dataset(train_data)  # type: ignore[union-attr]
             shuffle = False
 
         # this field stores the names of all dynamic embeddings in the model (determined after first forward pass)

tests/test_datasets.py

@@ -748,7 +748,7 @@ def test_masakhane_corpus(tasks_base_path):
             "bam": {"train": 4462, "dev": 638, "test": 1274},
             "bbj": {"train": 3384, "dev": 483, "test": 966},
             "ewe": {"train": 3505, "dev": 501, "test": 1001},
-            "fon": {"train": 4343, "dev": 621, "test": 1240},
+            "fon": {"train": 4343, "dev": 623, "test": 1228},
             "hau": {"train": 5716, "dev": 816, "test": 1633},
             "ibo": {"train": 7634, "dev": 1090, "test": 2181},
             "kin": {"train": 7825, "dev": 1118, "test": 2235},