diff --git a/README.md b/README.md
index 9f962eb..ec5f896 100644
--- a/README.md
+++ b/README.md
@@ -183,6 +183,13 @@ gptdeploy create --description "Generate QR code from URL" --test "https://www.e
 ```
 <img src="res/qr_example.png" alt="QR Code Generator" width="600" />
 
+### Mandelbrot Set Visualizer
+
+```bash
+gptdeploy create --description "Visualize the Mandelbrot set with custom parameters" --test "center=-0+1i, zoom=1.0, size=800x800, iterations=1000"
+```
+<img src="res/mandelbrot_example.png" alt="Mandelbrot Set Visualizer" width="600" />
+
 
 [//]: # (## TO BE TESTED)
 
@@ -344,13 +351,6 @@ gptdeploy create --description "Generate QR code from URL" --test "https://www.e
 [//]: # ()
 
 [//]: # ()
-[//]: # (### Mandelbrot Set Visualizer)
-
-[//]: # (```bash)
-
-[//]: # (gptdeploy create --description "Visualize the Mandelbrot set with custom parameters" --test "center=-0.5+0i, zoom=1.0, size=800x800, iterations=1000")
-
-[//]: # (```)
 
 [//]: # (### Sound Visualizer)
 
@@ -440,3 +440,6 @@ Make sure it is only printed twice in case it changed.
 - [ ] section for microservices built by the community
 - [ ] test feedback for playground generation (could be part of the debugging)
 - [ ] should we send everything via json in the text attribute for simplicity?
+
+Proposal:
+- [ ] just generate the non-jina related code and insert it into an executor template
diff --git a/res/mandelbrot_example.png b/res/mandelbrot_example.png
new file mode 100644
index 0000000..92074a0
Binary files /dev/null and b/res/mandelbrot_example.png differ
diff --git a/src/jina_cloud.py b/src/jina_cloud.py
index 169323b..58e3db7 100644
--- a/src/jina_cloud.py
+++ b/src/jina_cloud.py
@@ -10,6 +10,8 @@ import hubble
 from hubble.executor.helper import upload_file, archive_package, get_request_header
 from jcloud.flow import CloudFlow
 
+from src.utils.io import suppress_stdout
+
 
 def redirect_callback(href):
     print(
@@ -41,7 +43,9 @@ def push_executor(dir_path):
         'verbose': 'True',
         'md5sum': md5_digest,
     }
-    req_header = get_request_header()
+    with suppress_stdout():
+        req_header = get_request_header()
+
     resp = upload_file(
         'https://api.hubble.jina.ai/v2/rpc/executor.push',
         'filename',
diff --git a/src/prompt_system.py b/src/prompt_system.py
index ed9959b..a50df41 100644
--- a/src/prompt_system.py
+++ b/src/prompt_system.py
@@ -66,7 +66,7 @@ d1 = Document(text='hello')
 url = 'https://...'
 response = requests.get(url)
 obj_data = response.content
-d2 = Document(blob=obj_data) # blob is bytes like b'\\x89PNG\\r\\n\\x1a\\n\
+d2 = Document(blob=obj_data) # blob is bytes like b'\\x89PNG\\r\\n\\x1a\\n...'
 
 d3 = Document(tensor=numpy.array([1, 2, 3]), chunks=[Document(uri=/local/path/to/file)]
 d4 = Document(
diff --git a/src/prompt_tasks.py b/src/prompt_tasks.py
index 7e96a5c..5f3d7dd 100644
--- a/src/prompt_tasks.py
+++ b/src/prompt_tasks.py
@@ -135,4 +135,5 @@ The executor must not load data from the local file system unless it was created
 The executor must not use a pre-trained model unless it is explicitly mentioned in the description.
 The executor must not train a model.
 The executor must not use Document.tags.
+The executor must only use Document.uri, Document.blob and Document.text.
 '''
\ No newline at end of file
diff --git a/src/utils/io.py b/src/utils/io.py
index 510a75f..9e53475 100644
--- a/src/utils/io.py
+++ b/src/utils/io.py
@@ -3,6 +3,8 @@ import shutil
 import concurrent.futures
 import concurrent.futures
 from typing import Generator
+import sys
+from contextlib import contextmanager
 
 def recreate_folder(folder_path):
     if os.path.exists(folder_path) and os.path.isdir(folder_path):
@@ -34,4 +36,14 @@ def timeout_generator_wrapper(generator, timeout):
             except concurrent.futures.TimeoutError:
                 raise GenerationTimeoutError(f"Generation took longer than {timeout} seconds")
 
-    return wrapper()
\ No newline at end of file
+    return wrapper()
+
+@contextmanager
+def suppress_stdout():
+    original_stdout = sys.stdout
+    sys.stdout = open(os.devnull, 'w')
+    try:
+        yield
+    finally:
+        sys.stdout.close()
+        sys.stdout = original_stdout
\ No newline at end of file