Update subscriptions.py

subscriptions.py

@@ -23,7 +23,7 @@ async def fetch_subscription(jwt: str):
     if not cust_res.data:
         return {
             "email": email,
-            "signed_up": signed_up = user.created_at.isoformat() if hasattr(user.created_at, "isoformat") else user.created_at,
+            "signed_up": user.created_at.isoformat() if hasattr(user.created_at, "isoformat") else user.created_at,
             "subscription": None
         }
 
@@ -41,7 +41,7 @@ async def fetch_subscription(jwt: str):
     if not sub_res.data:
         return {
             "email": email,
-            "signed_up": signed_up = user.created_at.isoformat() if hasattr(user.created_at, "isoformat") else user.created_at,
+            "signed_up": user.created_at.isoformat() if hasattr(user.created_at, "isoformat") else user.created_at,
             "subscription": None
         }
 
@@ -90,6 +90,6 @@ async def fetch_subscription(jwt: str):
 
     return {
         "email": email,
-        "signed_up": signed_up = user.created_at.isoformat() if hasattr(user.created_at, "isoformat") else user.created_at,
+        "signed_up": user.created_at.isoformat() if hasattr(user.created_at, "isoformat") else user.created_at,
         "subscription": subscriptions
     }