Merge branch 'her0e1c1-fix-secho'

Fix #424

CHANGES

@@ -11,6 +11,7 @@ Version 7.0
 - The exception objects now store unicode properly.
 - Added the ability to hide commands and options from help.
 - Added Float Range in Types.
+- `secho`'s first argument can now be `None`, like in `echo`.
 
 Version 6.5
 -----------

click/termui.py

@@ -405,7 +405,7 @@ def unstyle(text):
     return strip_ansi(text)
 
 
-def secho(text, file=None, nl=True, err=False, color=None, **styles):
+def secho(message=None, file=None, nl=True, err=False, color=None, **styles):
     """This function combines :func:`echo` and :func:`style` into one
     call.  As such the following two calls are the same::
 
@@ -417,7 +417,9 @@ def secho(text, file=None, nl=True, err=False, color=None, **styles):
 
     .. versionadded:: 2.0
     """
-    return echo(style(text, **styles), file=file, nl=nl, err=err, color=color)
+    if message is not None:
+        message = style(message, **styles)
+    return echo(message, file=file, nl=nl, err=err, color=color)
 
 
 def edit(text=None, editor=None, env=None, require_save=True,

tests/test_termui.py

@@ -42,3 +42,10 @@ def cli():
     monkeypatch.setattr(click._termui_impl, 'isatty', lambda _: True)
     result = runner.invoke(cli, [])
     assert result.exception is None
+
+
+def test_secho(runner):
+    with runner.isolation() as out:
+        click.secho(None, nl=False)
+        bytes = out.getvalue()
+        assert bytes == b''