fix a bug

Rodin.py

@@ -17,7 +17,11 @@ def login(email, password):
         payload['email'] = email
     
     response = requests.post(f"{BASE_URL}/user/login", json=payload)
-    response_data = response.json()
+    try:
+        response_data = response.json()
+    except json.JSONDecodeError as e:
+        print(response)
+        raise e
     
     if 'error' in response_data and response_data['error']:
         raise Exception(response_data['error'])
@@ -137,8 +141,11 @@ class Generator:
             print("Error in image preprocessing:", preprocess_response['error'])
         else:
             if not (prompt and task_uuid):
-                prompt = preprocess_response.get('prompt', 'Default prompt if none returned')                
-            processed_image = "data:image/png;base64," + preprocess_response.get('processed_image', None)
+                prompt = preprocess_response.get('prompt', 'Default prompt if none returned')   
+            try:             
+                processed_image = "data:image/png;base64," + preprocess_response.get('processed_image', None)
+            except Exception as e:
+                print(preprocess_response)
 
         return prompt, processed_image