1 files changed, 31 insertions, 27 deletions
diff --git a/tests/extmod/vfs_lfs.py b/tests/extmod/vfs_lfs.py
index 46c770b43..c3656fe68 100644
--- a/tests/extmod/vfs_lfs.py
+++ b/tests/extmod/vfs_lfs.py
@@ -2,12 +2,14 @@
 
 try:
     import uos
+
     uos.VfsLfs1
     uos.VfsLfs2
 except (ImportError, AttributeError):
     print("SKIP")
     raise SystemExit
 
+
 class RAMBlockDevice:
     ERASE_BLOCK_SIZE = 1024
 
@@ -25,15 +27,16 @@ class RAMBlockDevice:
             self.data[addr + i] = buf[i]
 
     def ioctl(self, op, arg):
-        if op == 4: # block count
+        if op == 4:  # block count
             return len(self.data) // self.ERASE_BLOCK_SIZE
-        if op == 5: # block size
+        if op == 5:  # block size
             return self.ERASE_BLOCK_SIZE
-        if op == 6: # erase block
+        if op == 6:  # erase block
             return 0
 
+
 def test(bdev, vfs_class):
-    print('test', vfs_class)
+    print("test", vfs_class)
 
     # mkfs
     vfs_class.mkfs(bdev)
@@ -42,65 +45,66 @@ def test(bdev, vfs_class):
     vfs = vfs_class(bdev)
 
     # statvfs
-    print(vfs.statvfs('/'))
+    print(vfs.statvfs("/"))
 
     # open, write close
-    f = vfs.open('test', 'w')
-    f.write('littlefs')
+    f = vfs.open("test", "w")
+    f.write("littlefs")
     f.close()
 
     # statvfs after creating a file
-    print(vfs.statvfs('/'))
+    print(vfs.statvfs("/"))
 
     # ilistdir
     print(list(vfs.ilistdir()))
-    print(list(vfs.ilistdir('/')))
-    print(list(vfs.ilistdir(b'/')))
+    print(list(vfs.ilistdir("/")))
+    print(list(vfs.ilistdir(b"/")))
 
     # mkdir, rmdir
-    vfs.mkdir('testdir')
+    vfs.mkdir("testdir")
     print(list(vfs.ilistdir()))
-    print(list(vfs.ilistdir('testdir')))
-    vfs.rmdir('testdir')
+    print(list(vfs.ilistdir("testdir")))
+    vfs.rmdir("testdir")
     print(list(vfs.ilistdir()))
-    vfs.mkdir('testdir')
+    vfs.mkdir("testdir")
 
     # stat a file
-    print(vfs.stat('test'))
+    print(vfs.stat("test"))
 
     # stat a dir (size seems to vary on LFS2 so don't print that)
-    print(vfs.stat('testdir')[:6])
+    print(vfs.stat("testdir")[:6])
 
     # read
-    with vfs.open('test', 'r') as f:
+    with vfs.open("test", "r") as f:
         print(f.read())
 
     # create large file
-    with vfs.open('testbig', 'w') as f:
-        data = 'large012' * 32 * 16
-        print('data length:', len(data))
+    with vfs.open("testbig", "w") as f:
+        data = "large012" * 32 * 16
+        print("data length:", len(data))
         for i in range(4):
-            print('write', i)
+            print("write", i)
             f.write(data)
 
     # stat after creating large file
-    print(vfs.statvfs('/'))
+    print(vfs.statvfs("/"))
 
     # rename
-    vfs.rename('testbig', 'testbig2')
+    vfs.rename("testbig", "testbig2")
     print(list(vfs.ilistdir()))
 
     # remove
-    vfs.remove('testbig2')
+    vfs.remove("testbig2")
     print(list(vfs.ilistdir()))
 
     # getcwd, chdir
     print(vfs.getcwd())
-    vfs.chdir('/testdir')
+    vfs.chdir("/testdir")
     print(vfs.getcwd())
-    vfs.chdir('/')
+    vfs.chdir("/")
     print(vfs.getcwd())
-    vfs.rmdir('testdir')
+    vfs.rmdir("testdir")
+
 
 bdev = RAMBlockDevice(30)
 test(bdev, uos.VfsLfs1)