Update app.py

app.py

@@ -208,9 +208,10 @@ def draw_boxes(image, bounds, color='blue', width=1):
 
 def detect(img, target_lang,target_lang2=None):
     if target_lang2 != None:
-        lang=lang_id[target_lang]
-        lang2=lang_id[target_lang2]
-        lang=[f"{lang},{lang2}"]
+        lang=f"{lang_id[target_lang]}"
+        lang2=f"{lang_id[target_lang2]}"
+        
+        lang=[lang,lang2]
     else:
         lang=[f"{lang_id[target_lang]}"]
         
@@ -224,7 +225,7 @@ with gr.Blocks() as robot:
     im=gr.Image(type="filepath")
     with gr.Row():
         target_lang = gr.Dropdown(label="Detect language", choices=list(lang_id.keys()),value="English")
-        target_lang2 = gr.Dropdown(label="Detect language", choices=list(lang_id.keys()),value="English")
+        target_lang2 = gr.Dropdown(label="Detect language", choices=list(lang_id.keys()),value=None)
     
     go_btn=gr.Button()
     out_im=gr.Image()