fix session_hash querying

utils/pipelines.py

@@ -51,7 +51,7 @@ def unconditional_generation(num_batches, num_designs_per_batch, length):
     diffusion_batch_size=num_designs_per_batch,  # Generate 2 structures per batch
     )
 
-    session_hash = gr.Request.session_hash
+    session_hash = gr.Request().session_hash
     time_stamp = time.strftime("%Y-%m-%d-%H-%M-%S")
     directory = f"./outputs/session_{session_hash}_{time_stamp}"
     os.makedirs(directory, exist_ok=False)