Update app.py

app.py

@@ -67,7 +67,7 @@ for i in range(1, hidden_layers + 1):
 
 # Batch Size
 if data_set != "None":
-    file_path = rf"Gova823/Tensorflow_Playground\{data_set}"
+    file_path = f"Gova823//Tensorflow_Playground\\{data_set}" 
     df = pd.read_csv(file_path)
     X = df.iloc[:, :2].values
     y = df.iloc[:, -1].values