refactor(openvino): fix openvion error typo error

Author: SWHL

python/rapidocr/inference_engine/openvino/__init__.py

@@ -1,4 +1,4 @@
 # -*- encoding: utf-8 -*-
 # @Author: SWHL
 # @Contact: liekkaskono@163.com
-from .main import OpenVINOInferSession, OpenVIONError
+from .main import OpenVINOError, OpenVINOInferSession

python/rapidocr/inference_engine/openvino/main.py

@@ -62,11 +62,11 @@ def __call__(self, input_content: np.ndarray) -> np.ndarray:
             return self.session.get_output_tensor().data
         except Exception as e:
             error_info = traceback.format_exc()
-            raise OpenVIONError(error_info) from e
+            raise OpenVINOError(error_info) from e
 
     def have_key(self, key: str = "character") -> bool:
         return False
 
 
-class OpenVIONError(Exception):
+class OpenVINOError(Exception):
     pass