Fix winapi

paramiko/_winapi.py

@@ -39,7 +39,7 @@ def format_system_message(errno):
     result_buffer = ctypes.wintypes.LPWSTR()
     buffer_size = 0
     arguments = None
-	bytes = ctypes.windll.kernel32.FormatMessageW(
+    format_bytes = ctypes.windll.kernel32.FormatMessageW(
         flags,
         source,
         message_id,
@@ -51,13 +51,13 @@ def format_system_message(errno):
     # note the following will cause an infinite loop if GetLastError
     #  repeatedly returns an error that cannot be formatted, although
     #  this should not happen.
-	handle_nonzero_success(bytes)
+    handle_nonzero_success(format_bytes)
     message = result_buffer.value
     ctypes.windll.kernel32.LocalFree(result_buffer)
     return message
 
 
-class WindowsError(__builtin__.WindowsError):
+class WindowsError(builtins.WindowsError):
     "more info about errors at http://msdn.microsoft.com/en-us/library/ms681381(VS.85).aspx"
 
     def __init__(self, value=None):
@@ -122,7 +122,7 @@ class MemoryMap(object):
         FILE_MAP_WRITE = 0x2
         filemap = ctypes.windll.kernel32.CreateFileMappingW(
             INVALID_HANDLE_VALUE, p_SA, PAGE_READWRITE, 0, self.length,
-			unicode(self.name))
+            u(self.name))
         handle_nonzero_success(filemap)
         if filemap == INVALID_HANDLE_VALUE:
             raise Exception("Failed to create file mapping")