fix: correct request.get to requests.get in README example

The example code incorrectly uses request.get() instead of
requests.get(). While Qwen can infer the correct module,
it's better to be explicit for human readability.

Closes #825

Author: OpenClaw

README.md

@@ -144,7 +144,7 @@ llm_cfg = {
 # Step 3: Create an agent. Here we use the `Assistant` agent as an example, which is capable of using tools and reading files.
 system_instruction = '''After receiving the user's request, you should:
 - first draw an image and obtain the image url,
-- then run code `request.get(image_url)` to download the image,
+- then run code `requests.get(image_url)` to download the image,
 - and finally select an image operation from the given document to process the image.
 Please show the image using `plt.show()`.'''
 tools = ['my_image_gen', 'code_interpreter']  # `code_interpreter` is a built-in tool for executing code. For configuration details, please refer to the FAQ.