dl_full_file: use _get_url in place of requests.get.

Note that this will handle errors (e.g. a file that does not exist)
and raise an exception, rather than writing the error document to the
output file.

Author: Benjamin Moody

wfdb/io/download.py

@@ -484,9 +484,9 @@ def dl_full_file(url, save_file_name):
     N/A
 
     """
-    response = requests.get(url)
+    content = _get_url(url)
     with open(save_file_name, 'wb') as writefile:
-        writefile.write(response.content)
+        writefile.write(content)
 
     return