Update app.py

app.py

@@ -69,8 +69,8 @@ def load_captioning(uploaded_images, concept_sentence):
         corresponding_caption = False
         if(image_value):
             base_name = os.path.splitext(os.path.basename(image_value))[0]
-            if base_name in txt_file_dict:
-                with open(txt_file_dict[base_name], 'r') as file:
+            if base_name in txt_files_dict:
+                with open(txt_files_dict[base_name], 'r') as file:
                     corresponding_caption = file.read()
                     
         # Update value of captioning area