1 files changed, 17 insertions, 7 deletions
diff --git a/tests/import/mpy_native.py b/tests/import/mpy_native.py
index 4ee537f4a..5d7bdab4a 100644
--- a/tests/import/mpy_native.py
+++ b/tests/import/mpy_native.py
@@ -5,12 +5,13 @@ import sys, uio
 try:
     uio.IOBase
     import uos
+
     uos.mount
 except (ImportError, AttributeError):
     print("SKIP")
     raise SystemExit
 
-if not (sys.platform == 'linux' and sys.maxsize > 2 ** 32):
+if not (sys.platform == "linux" and sys.maxsize > 2 ** 32):
     print("SKIP")
     raise SystemExit
 
@@ -19,8 +20,10 @@ class UserFile(uio.IOBase):
     def __init__(self, data):
         self.data = data
         self.pos = 0
+
     def read(self):
         return self.data
+
     def readinto(self, buf):
         n = 0
         while n < len(buf) and self.pos < len(self.data):
@@ -28,6 +31,7 @@ class UserFile(uio.IOBase):
             n += 1
             self.pos += 1
         return n
+
     def ioctl(self, req, arg):
         return 0
 
@@ -35,19 +39,24 @@ class UserFile(uio.IOBase):
 class UserFS:
     def __init__(self, files):
         self.files = files
+
     def mount(self, readonly, mksfs):
         pass
+
     def umount(self):
         pass
+
     def stat(self, path):
         if path in self.files:
             return (32768, 0, 0, 0, 0, 0, 0, 0, 0, 0)
         raise OSError
+
     def open(self, path, mode):
         return UserFile(self.files[path])
 
 
 # these are the test .mpy files
+# fmt: off
 user_files = {
     # bad architecture
     '/mod0.mpy': b'M\x05\xff\x00\x10',
@@ -95,20 +104,21 @@ user_files = {
             b'\x03\x01\x00' # dummy relocation of rodata
     ),
 }
+# fmt: on
 
 # create and mount a user filesystem
-uos.mount(UserFS(user_files), '/userfs')
-sys.path.append('/userfs')
+uos.mount(UserFS(user_files), "/userfs")
+sys.path.append("/userfs")
 
 # import .mpy files from the user filesystem
 for i in range(len(user_files)):
-    mod = 'mod%u' % i
+    mod = "mod%u" % i
     try:
         __import__(mod)
-        print(mod, 'OK')
+        print(mod, "OK")
     except ValueError as er:
-        print(mod, 'ValueError', er)
+        print(mod, "ValueError", er)
 
 # unmount and undo path addition
-uos.umount('/userfs')
+uos.umount("/userfs")
 sys.path.pop()