diff --git a/thefuck/logs.py b/thefuck/logs.py
index 7f97a33c..9e197e6c 100644
--- a/thefuck/logs.py
+++ b/thefuck/logs.py
@@ -8,6 +8,7 @@ import colorama
 from .conf import settings
 from . import const
 
+
 def color(color_):
     """Utility for ability to disabling colored output."""
     if settings.no_colors:
diff --git a/thefuck/rules/cd_mkdir.py b/thefuck/rules/cd_mkdir.py
index 6eb9a935..2aa1ce09 100644
--- a/thefuck/rules/cd_mkdir.py
+++ b/thefuck/rules/cd_mkdir.py
@@ -2,7 +2,7 @@ import re
 from thefuck.utils import for_app
 from thefuck.specific.sudo import sudo_support
 from thefuck.shells import shell
-
+import os
 
 @sudo_support
 @for_app('cd')
@@ -19,5 +19,5 @@ def match(command):
 
 @sudo_support
 def get_new_command(command):
-    repl = shell.and_('mkdir -p \\1', 'cd \\1')
+    repl = 'mkdir -p \\1; cd \\1'
     return re.sub(r'^cd (.*)', repl, command.script)
diff --git a/thefuck/rules/chdir.py b/thefuck/rules/chdir.py
index eda9a704..28da9290 100644
--- a/thefuck/rules/chdir.py
+++ b/thefuck/rules/chdir.py
@@ -17,5 +17,5 @@ def match(command):
 
 @sudo_support
 def get_new_command(command):
-    repl = shell.and_('mkdir -p \\1', 'chdir \\1')
+    repl = 'mkdir -p \\1; chdir \\1'
     return re.sub(r'^chdir(.*)', repl, command.script)