Fix documentation for input and output tutorial (pythonGH-8231)

The ValueError message ends with a period.
elprans · Jul 11, 2018 · 9cffdbf · 9cffdbf
1 parent 5fe7c98
commit 9cffdbf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Doc/tutorial/inputoutput.rst b/Doc/tutorial/inputoutput.rst
@@ -338,7 +338,7 @@ automatically fail. ::
    >>> f.read()
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
-   ValueError: I/O operation on closed file
+   ValueError: I/O operation on closed file.
 
 
 .. _tut-filemethods: