Drop unnecessary 'pass' to make pylint happy

qubes/__init__.py

@@ -376,7 +376,6 @@ class property:  # pylint: disable=redefined-builtin,invalid-name
         '''This exception may be raised from saver to sign that property should
         not be saved.
         '''
-        pass
 
     @staticmethod
     def dontsave(self, prop, value):

qubes/api/__init__.py

@@ -33,12 +33,10 @@ import qubes.exc
 
 class ProtocolError(AssertionError):
     '''Raised when something is wrong with data received'''
-    pass
 
 
 class PermissionDenied(Exception):
     '''Raised deliberately by handlers when we decide not to cooperate'''
-    pass
 
 
 def method(name, *, no_payload=False, endpoints=None, **classifiers):

qubes/devices.py

@@ -61,11 +61,9 @@ import qubes.utils
 
 class DeviceNotAttached(qubes.exc.QubesException, KeyError):
     '''Trying to detach not attached device'''
-    pass
 
 class DeviceAlreadyAttached(qubes.exc.QubesException, KeyError):
     '''Trying to attach already attached device'''
-    pass
 
 class DeviceInfo:
     ''' Holds all information about a device '''

qubes/exc.py

@@ -24,7 +24,6 @@ Qubes OS exception hierarchy
 
 class QubesException(Exception):
     '''Exception that can be shown to the user'''
-    pass
 
 
 class QubesVMNotFoundError(QubesException, KeyError):
@@ -119,7 +118,6 @@ class QubesNoTemplateError(QubesVMError):
 
 class QubesValueError(QubesException, ValueError):
     '''Cannot set some value, because it is invalid, out of bounds, etc.'''
-    pass
 
 
 class QubesPropertyValueError(QubesValueError):

qubes/storage/__init__.py

@@ -44,7 +44,6 @@ STORAGE_ENTRY_POINT = 'qubes.storage'
 
 class StoragePoolException(qubes.exc.QubesException):
     ''' A general storage exception '''
-    pass
 
 
 class BlockDevice:
@@ -214,7 +213,6 @@ class Volume:
         :param success: True if data import was successful, otherwise False
         '''
         # by default do nothing
-        pass
 
     def import_volume(self, src_volume):
         ''' Imports data from a different volume (possibly in a different
@@ -823,17 +821,14 @@ class Pool:
         :param app: Qubes() object to lookup other pools in
         :returns pool or None
         '''
-        pass
 
     @property
     def size(self):
         ''' Storage pool size in bytes, or None if unknown '''
-        pass
 
     @property
     def usage(self):
         ''' Space used in the pool in bytes, or None if unknown '''
-        pass
 
     def _not_implemented(self, method_name):
         ''' Helper for emitting helpful `NotImplementedError` exceptions '''

qubespolicy/__init__.py

@@ -38,7 +38,6 @@ QUBESD_SOCK = '/var/run/qubesd.sock'
 
 class AccessDenied(Exception):
     ''' Raised when qrexec policy denied access '''
-    pass
 
 
 class PolicySyntaxError(AccessDenied):