fixed the warning by excaping the special character. Renamed a function

app.py

@@ -9,7 +9,7 @@ class MultiURLData:
     def __init__(self):
         pass
 
-    def fetch_data(self):
+    def process_data(self):
 
         dataframes = []
 
@@ -33,7 +33,7 @@ class MultiURLData:
                 df.index = df.index.str.replace('hendrycksTest-', '')
 
                 # Remove'harness|' from the index
-                df.index = df.index.str.replace('harness|', '')
+                df.index = df.index.str.replace('harness\\|', '')
 
 
                 dataframes.append(df[[model_name]])  # keep only the column of interest
@@ -62,8 +62,8 @@ with block:
                 data = gr.outputs.Dataframe(type="pandas")
             with gr.Row():
                 data_run = gr.Button("Refresh")
-                data_run.click(data_provider.fetch_data, inputs=None, outputs=data)
+                data_run.click(data_provider.process_data, inputs=None, outputs=data)
     # running the function on page load in addition to when the button is clicked
-    block.load(data_provider.fetch_data, inputs=None, outputs=data)               
+    block.load(data_provider.process_data, inputs=None, outputs=data)               
 
 block.launch()