Fix linter suggestions

galois/_fields/_class.py

@@ -384,7 +384,7 @@ def _formatter(cls, array):
  return formatter
 
  def _print_int(cls, element): # pylint: disable=no-self-use
- return "{:d}".format(int(element))
+ return f"{int(element)}"
 
  def _print_poly(cls, element):
  poly = integer_to_poly(element, cls.characteristic)

galois/_fields/_linalg.py

@@ -16,7 +16,7 @@ def _lapack_linalg(a, b, function, out=None, n_sum=None):
  characteristic = field.characteristic
 
  # Determine the return data-type which is the minimum of the two inputs' data-types
- if a.dtype == np.object_ or b.dtype == np.object_:
+ if np.object_ in [a.dtype, b.dtype]:
  return_dtype = np.object_
  else:
  return_dtype = a.dtype if np.iinfo(a.dtype).max < np.iinfo(b.dtype).max else b.dtype

galois/_fields/_properties.py

@@ -38,9 +38,9 @@ def __init__(cls, name, bases, namespace, **kwargs):
  cls._display_mode = "int"
 
  if cls.degree == 1:
- cls._order_str = "order={}".format(cls.order)
+ cls._order_str = f"order={cls.order}"
  else:
- cls._order_str = "order={}^{}".format(cls.characteristic, cls.degree)
+ cls._order_str = f"order={cls.characteristic}^{cls.degree}"
 
  ###############################################################################
  # Class attributes

galois/_poly_conversion.py

@@ -118,12 +118,12 @@ def poly_to_str(coeffs, poly_var="x"):
 
  x = []
  if degree >= 0 and coeffs[0] != 0:
- x += ["{}".format(coeffs[0])]
+ x += [f"{coeffs[0]}"]
  if degree >= 1 and coeffs[1] != 0:
- x += ["{}{}".format(coeffs[1] if coeffs[1] != 1 else "", poly_var)]
+ x += [f"{coeffs[1] if coeffs[1] != 1 else ''}{poly_var}"]
  if degree >= 2:
  idxs = np.nonzero(coeffs[2:])[0] # Indices with non-zeros coefficients
- x += ["{}{}^{}".format(coeffs[2+i] if coeffs[2+i] != 1 else "", poly_var, 2+i) for i in idxs]
+ x += [f"{coeffs[2 + i] if coeffs[2 + i] != 1 else ''}{poly_var}^{2 + i}" for i in idxs]
 
  poly_str = " + ".join(x[::-1]) if x else "0"
 
@@ -160,11 +160,11 @@ def sparse_poly_to_str(degrees, coeffs, poly_var="x"):
  coeff_repr = coeff
 
  if degree > 1:
- s = "{}{}^{}".format(coeff_repr if coeff != 1 else "", poly_var, degree)
+ s = f"{coeff_repr if coeff != 1 else ''}{poly_var}^{degree}"
  elif degree == 1:
- s = "{}{}".format(coeff_repr if coeff != 1 else "", poly_var)
+ s = f"{coeff_repr if coeff != 1 else ''}{poly_var}"
  elif coeff != 0:
- s = "{}".format(coeff_repr)
+ s = f"{coeff_repr}"
  else:
  continue
  x.append(s)