solv assertion error

app.py

@@ -6,7 +6,7 @@ from inference import Inference
 inference = Inference()
 
 
-iface = gr.Interface(
+interface = gr.Interface(
     fn=inference.inference,
     inputs=gr.Blocks([
         gr.Dropdown(choices=["Model 1", "Model 2", "Model 3"], label="Models", info="Select the model to use..", ),
@@ -19,4 +19,4 @@ iface = gr.Interface(
 
 
 if __name__ == "__main__":
-    iface.launch()
+    interface.launch()

inference.py

@@ -8,7 +8,7 @@ class Inference:
         self.deplot_processor = Pix2StructProcessor.from_pretrained('google/deplot')
         self.deplot_model = Pix2StructForConditionalGeneration.from_pretrained('google/deplot')
 
-    def inference(self, image, text, selected):
+    def inference(self, selected, image, text):
         if selected == "Model 1":
             return self.__inference_deplot(image, text)
         elif selected == "Model 2":