fix shared dir creation

utils/pipelines.py

@@ -128,7 +128,8 @@ def generation_with_input_config(input_file, pdb_file, num_batches, num_designs_
     try: 
         if pdb_file is not None:
             # I need to do this because uploading files to a HF space stores each file in a separate temp directory so I need to copy them again to the same place.
-            shared_dir = os.mkdir(f"uploads/{time_stamp}_{session_hash}")
+            shared_dir = os.path.join("uploads", f"{time_stamp}_{session_hash}")
+            os.makedirs(shared_dir)
             copied_config_file = os.path.join(shared_dir, os.path.basename(input_file))
             shutil.copy2(input_file, copied_config_file)
             copied_pdb_file = os.path.join(shared_dir, os.path.basename(pdb_file))