Fix Language enum duplicate key error - prevent duplicating keys in LanguageMeta class

structured_ocr.py

@@ -137,7 +137,10 @@ class LanguageMeta(Enum.__class__):
     def __new__(metacls, cls, bases, classdict):
         languages = get_language_dict()
         for code, name in languages.items():
-            classdict[name.upper().replace(' ', '_')] = name
+            key = name.upper().replace(' ', '_')
+            # Skip if key already exists in the fallback languages
+            if key not in classdict:
+                classdict[key] = name
         return super().__new__(metacls, cls, bases, classdict)
 
 class Language(Enum, metaclass=LanguageMeta):