fix pep8 failures

borg/fuse.py

@@ -23,6 +23,7 @@ def fuse_main():
         llfuse.main(single=True)
         return None
 
+
 class ItemCache:
     def __init__(self):
         self.fd = tempfile.TemporaryFile(prefix='borg-tmp')
@@ -250,6 +251,6 @@ def mount(self, mountpoint, extra_options, foreground=False):
         umount = False
         try:
             signal = fuse_main()
-            umount = (signal is None) # no crash and no signal -> umount request
+            umount = (signal is None)  # no crash and no signal -> umount request
         finally:
             llfuse.close(umount)

setup.py

@@ -25,7 +25,7 @@
     # llfuse 0.40 (tested, proven, ok), needs FUSE version >= 2.8.0
     # llfuse 0.41 (tested shortly, looks ok), needs FUSE version >= 2.8.0
     # llfuse 1.0 will break API
-    'fuse': ['llfuse<1.0',  ],
+    'fuse': ['llfuse<1.0', ],
 }
 
 from setuptools import setup, Extension