added wait and retry if private space needed to be restarted

app.py

@@ -4,6 +4,7 @@ import os
 import random
 import datetime
 from huggingface_hub import hf_api
+import time
 
 def check_password(username, password):
     if password == os.environ["ACCESS"]:
@@ -24,6 +25,21 @@ def func(file, number_of_pages, secret):
         space_runtime_after_restart = hf_api.restart_space("ByMatthew/deckify_private", token=read_key)
         print(f"Space runtime after restart: {space_runtime_after_restart}")
         
+        
+        max_retries = 20
+        retry_delay = 10
+        success = False
+        for i in range(max_retries):
+            space_runtime = hf_api.get_space_runtime("ByMatthew/deckify_private", token=read_key)
+            print(f"Space runtime: {space_runtime}")
+            if space_runtime.stage == "RUNNING":
+                success = True
+                break
+            time.sleep(retry_delay)
+        
+        if not success:
+            return "Failed to start the private space in time. Please try again later."
+        
     client = Client("ByMatthew/deckify_private", hf_token=read_key)
     
     print(f"Client: {client}")