--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -548,7 +548,7 @@ def help_(ui, name=None, with_version=Fa
"""show help for a command, extension, or list of commands
With no arguments, print a list of commands and short help.
-
+
Given a command name, print help for that command.
Given an extension name, print help for that extension, and the
@@ -579,7 +579,7 @@ def help_(ui, name=None, with_version=Fa
# options
if i[1]:
option_lists.append(("options", i[1]))
-
+
def helplist(select=None):
h = {}
cmds = {}
@@ -3300,7 +3300,7 @@ def findext(name):
if k.endswith('.' + name) or v == name:
return sys.modules[v]
raise KeyError(name)
-
+
def dispatch(args):
for name in 'SIGBREAK', 'SIGHUP', 'SIGTERM':
num = getattr(signal, name, None)