Issue #12955: Change the urlopen() examples to use context managers where appropriate.

Patch by Martin Panter.

1 files changed, 5 insertions, 4 deletions

diff --git a/Doc/tutorial/stdlib.rst b/Doc/tutorial/stdlib.rst
index cd73bc2596..d71598efdc 100644
--- a/Doc/tutorial/stdlib.rst
+++ b/Doc/tutorial/stdlib.rst
@@ -153,10 +153,11 @@ protocols. Two of the simplest are :mod:`urllib.request` for retrieving data
 from URLs and :mod:`smtplib` for sending mail::
 
    >>> from urllib.request import urlopen
-   >>> for line in urlopen('http://tycho.usno.navy.mil/cgi-bin/timer.pl'):
-   ...     line = line.decode('utf-8')  # Decoding the binary data to text.
-   ...     if 'EST' in line or 'EDT' in line:  # look for Eastern Time
-   ...         print(line)
+   >>> with urlopen('http://tycho.usno.navy.mil/cgi-bin/timer.pl') as response:
+   ...     for line in response:
+   ...         line = line.decode('utf-8')  # Decoding the binary data to text.
+   ...         if 'EST' in line or 'EDT' in line:  # look for Eastern Time
+   ...             print(line)
 
    <BR>Nov. 25, 09:43:32 PM EST