Cosmetic improvements after review.

Only changes documentation strings, comments, unused imports or blank lines

Author: s-ball

Lib/test/test_tools/test_i18n.py

@@ -7,7 +7,7 @@
 from textwrap import dedent
 from pathlib import Path
 
-from test.support.script_helper import assert_python_ok, assert_python_failure
+from test.support.script_helper import assert_python_ok
 from test.test_tools import imports_under_tool, skip_if_missing, toolsdir
 from test.support.os_helper import temp_cwd, temp_dir
 

Lib/test/test_tools/test_msgfmt.py

@@ -10,6 +10,7 @@
 from test.support.script_helper import assert_python_failure, assert_python_ok
 from test.test_tools import skip_if_missing, toolsdir
 
+
 skip_if_missing('i18n')
 
 data_dir = (Path(__file__).parent / 'msgfmt_data').resolve()

Misc/NEWS.d/next/Tools-Demos/2018-12-05-20-46-10.bpo-35335.qtIUBx.rst

@@ -1,3 +1,2 @@
-:program:`msgfmt.py` is now able to  merge more than one single po file into a compiled mo
+:program:`msgfmt.py` is now able to merge more than one single po file into a compiled mo
 file. When an entry exists in more than on input file, the last file wins.
-It is also possible to directly call ``make`` more than once

Tools/i18n/msgfmt.py

@@ -105,7 +105,8 @@ def generate(messages):
 
 
 def make(filenames, outfile):
-    """
+    """ Compiles one or several po files(s).
+
     filenames is a string or an iterable of strings representing input file(s)
     outfile is a string for the name of an input file or None.