fix natural earth download

07-read-write.qmd

@@ -98,17 +98,9 @@ To overcome this, we add a header corresponding to a request coming from a brows
 ```{python}
 #| eval: false
 # Set URL+filename
-url = 'https://www.naturalearthdata.com/http//www.naturalearthdata.com/'
-url += 'download/10m/cultural/ne_10m_airports.zip'
+url = 'https://naciscdn.org/naturalearth/10m/cultural/ne_10m_airports.zip'
 filename = 'output/ne_10m_airports.zip'
 # Download
-opener = urllib.request.build_opener()
-opener.addheaders = [(
-    'User-agent', 
-    'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) ' +
-      'Gecko/20100101 Firefox/116.0'
-)]
-urllib.request.install_opener(opener)
 urllib.request.urlretrieve(url, filename)
 # Extract
 f = zipfile.ZipFile(filename, 'r')