Fix remaining linter issues in fs modules

Author: althonos

fs/appfs.py

@@ -44,7 +44,7 @@ class _CopyInitMeta(abc.ABCMeta):
 
     def __new__(mcls, classname, bases, cls_dict):
         cls_dict.setdefault("__init__", bases[0].__init__)
-        return super().__new__(mcls, classname, bases, cls_dict)
+        return super(abc.ABCMeta, mcls).__new__(mcls, classname, bases, cls_dict)
 
 
 @six.add_metaclass(_CopyInitMeta)

fs/ftpfs.py

@@ -346,8 +346,7 @@ def seek(self, pos, whence=Seek.set):
 
 
 class FTPFS(FS):
-    """A FTP (File Transport Protocol) Filesystem.
-    """
+    """A FTP (File Transport Protocol) Filesystem."""
 
     _meta = {
         "invalid_path_chars": "\0",

fs/glob.py

@@ -95,8 +95,7 @@ def imatch(pattern, path):
 
 
 class Globber(object):
-    """A generator of glob results.
-    """
+    """A generator of glob results."""
 
     def __init__(
         self,

fs/lrucache.py

@@ -21,8 +21,8 @@ class LRUCache(OrderedDict, typing.Generic[_K, _V]):
     """
 
     def __init__(self, cache_size):
-        """Create a new LRUCache with the given size."""
         # type: (int) -> None
+        """Create a new LRUCache with the given size."""
         self.cache_size = cache_size
         super(LRUCache, self).__init__()
 

fs/mirror.py

@@ -73,7 +73,7 @@ def mirror(
         workers (int): Number of worker threads used
             (0 for single threaded). Set to a relatively low number
             for network filesystems, 4 would be a good start.
-            
+
     """
 
     def src():

fs/mountfs.py

@@ -45,8 +45,7 @@ class MountError(Exception):
 
 
 class MountFS(FS):
-    """A virtual filesystem that maps directories on to other file-systems.
-    """
+    """A virtual filesystem that maps directories on to other file-systems."""
 
     _meta = {
         "virtual": True,
@@ -57,14 +56,14 @@ class MountFS(FS):
     }
 
     def __init__(self, auto_close=True):
+        # type: (bool) -> None
         """Create a new `MountFS` instance.
 
         Arguments:
             auto_close (bool): If `True` (the default), the child
                 filesystems will be closed when `MountFS` is closed.
 
         """
-        # type: (bool) -> None
         super(MountFS, self).__init__()
         self.auto_close = auto_close
         self.default_fs = MemoryFS()  # type: FS

fs/permissions.py

@@ -104,7 +104,7 @@ def __init__(
             sticky (bool, optional): A boolean for the *sticky* bit.
             setuid (bool, optional): A boolean for the *setuid* bit.
             setguid (bool, optional): A boolean for the *setguid* bit.
-            
+
         """
         if names is not None:
             self._perms = set(names)

fs/tempfs.py

@@ -27,8 +27,7 @@
 
 @six.python_2_unicode_compatible
 class TempFS(OSFS):
-    """A temporary filesystem on the OS.
-    """
+    """A temporary filesystem on the OS."""
 
     def __init__(
         self,

fs/walk.py

@@ -50,8 +50,7 @@
 
 
 class Walker(object):
-    """A walker object recursively lists directories in a filesystem.
-    """
+    """A walker object recursively lists directories in a filesystem."""
 
     def __init__(
         self,
@@ -128,8 +127,7 @@ def _raise_errors(cls, path, error):
     @classmethod
     def _calculate_depth(cls, path):
         # type: (Text) -> int
-        """Calculate the 'depth' of a directory path (i.e. count components).
-        """
+        """Calculate the 'depth' of a directory path (i.e. count components)."""
         _path = path.strip("/")
         return _path.count("/") + 1 if _path else 0
 
@@ -508,6 +506,7 @@ class BoundWalker(typing.Generic[_F]):
     """
 
     def __init__(self, fs, walker_class=Walker):
+        # type: (_F, Type[Walker]) -> None
         """Create a new walker bound to the given filesystem.
 
         Arguments:
@@ -516,7 +515,6 @@ def __init__(self, fs, walker_class=Walker):
                 sub-class. The default uses `~fs.walk.Walker`.
 
         """
-        # type: (_F, Type[Walker]) -> None
         self.fs = fs
         self.walker_class = walker_class