Update app.py

app.py

@@ -24,7 +24,7 @@ def display_sketch(sketch):
         plt.imshow(image_data, cmap='gray')
         plt.axis('off')
         
-        with tempfile.NamedTemporaryFile(delete=False, suffix=".png", dir='/mnt/data') as temp_file:
+        with tempfile.NamedTemporaryFile(delete=False, suffix=".png") as temp_file:
             plt.savefig(temp_file.name, bbox_inches='tight')
             temp_file_path = temp_file.name