STY: Apply ruff/pyupgrade rule UP032

UP032 Use f-string instead of `format` call

Author: DimitriPapadopoulos

nibabel/cmdline/dicomfs.py

@@ -193,9 +193,7 @@ def release(self, path, flags, fh):
 def get_opt_parser():
     # use module docstring for help output
     p = OptionParser(
-        usage='{} [OPTIONS] <DIRECTORY CONTAINING DICOMSs> <mount point>'.format(
-            os.path.basename(sys.argv[0])
-        ),
+        usage=f'{os.path.basename(sys.argv[0])} [OPTIONS] <DIRECTORY CONTAINING DICOMSs> <mount point>',
         version='%prog ' + nib.__version__,
     )
 

nibabel/tests/test_nifti1.py

@@ -538,7 +538,7 @@ def test_slice_times(self):
         hdr.set_slice_duration(0.1)
         # We need a function to print out the Nones and floating point
         # values in a predictable way, for the tests below.
-        _stringer = lambda val: val is not None and '{:2.1f}'.format(val) or None
+        _stringer = lambda val: val is not None and f'{val:2.1f}' or None
         _print_me = lambda s: list(map(_stringer, s))
         # The following examples are from the nifti1.h documentation.
         hdr['slice_code'] = slice_order_codes['sequential increasing']