Update app.py

app.py

@@ -207,14 +207,13 @@ def draw_boxes(image, bounds, color='blue', width=1):
     return image
 
 def detect(img, target_lang,target_lang2=None):
-    if target_lang2 != None:
+    if target_lang2 != None and target_lang2 != "":
         lang=f"{lang_id[target_lang]}"
         lang2=f"{lang_id[target_lang2]}"
-        
         lang=[lang,lang2]
     else:
         lang=[f"{lang_id[target_lang]}"]
-        
+        pass
     
     reader = easyocr.Reader(lang)
     bounds = reader.readtext(img)