Switch from urllib to requests to improve reliability (#867)

* Switch from urllib to requests to improve reliability

* Keep ruff linter-specific

* update

* update

* update

pkg/llms_from_scratch/ch06.py

@@ -4,11 +4,11 @@
 # Code: https://github.com/rasbt/LLMs-from-scratch
 
 
-import urllib.request
 import zipfile
 import os
 from pathlib import Path
 
+import requests
 import matplotlib.pyplot as plt
 from torch.utils.data import Dataset
 import torch
@@ -21,9 +21,12 @@ def download_and_unzip_spam_data(url, zip_path, extracted_path, data_file_path):
         return
 
     # Downloading the file
-    with urllib.request.urlopen(url) as response:
-        with open(zip_path, "wb") as out_file:
-            out_file.write(response.read())
+    response = requests.get(url, stream=True, timeout=60)
+    response.raise_for_status()
+    with open(zip_path, "wb") as out_file:
+        for chunk in response.iter_content(chunk_size=8192):
+            if chunk:
+                out_file.write(chunk)
 
     # Unzipping the file
     with zipfile.ZipFile(zip_path, "r") as zip_ref: