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							- from typing import Any
 
- from core.tools.errors import ToolProviderCredentialValidationError
 
- from core.tools.provider.builtin.qrcode.tools.qrcode_generator import QRCodeGeneratorTool
 
- from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController
 
- class QRCodeProvider(BuiltinToolProviderController):
 
-     def _validate_credentials(self, credentials: dict[str, Any]) -> None:
 
-         try:
 
-             QRCodeGeneratorTool().invoke(user_id="", tool_parameters={"content": "Dify 123 😊"})
 
-         except Exception as e:
 
-             raise ToolProviderCredentialValidationError(str(e))
 
 
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