Fix ruff check warnings

scripts/gen-v4l2.py

@@ -31,7 +31,7 @@
 )
 
 sys.path.insert(0, CTYPESGEN_PATH)
-from ctypesgen.__main__ import main  # pylint: disable=E,C # type: ignore
+from ctypesgen.__main__ import main  # pylint: disable=E,C # type: ignore # noqa: E402
 
 sys.argv = ['ctypesgen', *CTYPESGEN_OPTS, f'-I{INCLUDE_PATH}', f'-o{OUT}', *INCLUDES]
 

utils/cam-configs/rpi5.py

@@ -1,6 +1,5 @@
 #!/usr/bin/python3
 
-import ctypes
 import v4l2
 
 imx219_w = 640

utils/cam.py

@@ -167,7 +167,7 @@ def init_viddevs(ctx: Context):
             vid_ent = ctx.md.find_entity(stream['entity'])
             assert(vid_ent)
 
-            if not 'dev_path' in stream:
+            if 'dev_path' not in stream:
                 stream['dev_path'] = vid_ent.interface.dev_path
 
             if ctx.verbose:

utils/mc-print.py

@@ -258,7 +258,8 @@ def main():
 
         recurse = True
 
-    flatten = lambda t: [item for sublist in t for item in sublist]
+    def flatten(t):
+        return [item for sublist in t for item in sublist]
 
     print(f'Driver: {md.driver}, Model: {md.model}, Bus info: {md.bus_info}')
     print()