diff --git a/salt/wheel/__init__.py b/salt/wheel/__init__.py
index eea532738c..7e4f772db5 100644
--- a/salt/wheel/__init__.py
+++ b/salt/wheel/__init__.py
@@ -30,7 +30,7 @@ class Wheel(object):
         '''
         Execute a master control function
         '''
-        if not fun in self.w_funcs:
+        if fun not in self.w_funcs:
             return 'Unknown wheel function'
         f_call = salt.utils.format_call(self.w_funcs[fun], kwargs)
         return self.w_funcs[fun](*f_call.get('args', ()), **f_call.get('kwargs', {}))
diff --git a/salt/wheel/file_roots.py b/salt/wheel/file_roots.py
index fe3b09f9ca..3effa0195c 100644
--- a/salt/wheel/file_roots.py
+++ b/salt/wheel/file_roots.py
@@ -34,7 +34,7 @@ def list_env(env='base'):
     Return all of the file paths found in an environment
     '''
     ret = {}
-    if not env in __opts__['file_roots']:
+    if env not in __opts__['file_roots']:
         return ret
     for f_root in __opts__['file_roots'][env]:
         ret[f_root] = {}
@@ -91,9 +91,9 @@ def write(data, path, env='base', index=0):
     Write the named file, by default the first file found is written, but the
     index of the file can be specified to write to a lower priority file root
     '''
-    if not env in __opts__['file_roots']:
+    if env not in __opts__['file_roots']:
         return 'Named environment {0} is not present'.format(env)
-    if not len(__opts__['file_roots'][env]) > index:
+    if len(__opts__['file_roots'][env]) <= index:
         return 'Specified index {0} in environment {1} is not present'.format(
                 index, env)
     if os.path.isabs(path):
diff --git a/salt/wheel/pillar_roots.py b/salt/wheel/pillar_roots.py
index 0d95283eb2..69eb603964 100644
--- a/salt/wheel/pillar_roots.py
+++ b/salt/wheel/pillar_roots.py
@@ -35,7 +35,7 @@ def list_env(env='base'):
     Return all of the file paths found in an environment
     '''
     ret = {}
-    if not env in __opts__['pillar_roots']:
+    if env not in __opts__['pillar_roots']:
         return ret
     for f_root in __opts__['pillar_roots'][env]:
         ret[f_root] = {}
@@ -92,7 +92,7 @@ def write(data, path, env='base', index=0):
     Write the named file, by default the first file found is written, but the
     index of the file can be specified to write to a lower priority file root
     '''
-    if not env in __opts__['pillar_roots']:
+    if env not in __opts__['pillar_roots']:
         return 'Named environment {0} is not present'.format(env)
     if len(__opts__['pillar_roots'][env]) <= index:
         return 'Specified index {0} in environment {1} is not present'.format(