FLAKE8: lint

.flake8

@@ -20,3 +20,7 @@ extend-ignore = E203, W605, E501
 per-file-ignores =
     rateslib/__init__.py:E402
     tests/*:F401
+    rateslib/splines/__init__.py:F401
+    rateslib/splines/splinesrs.py:F401
+    rateslib/dual/__init__.py:E402
+    rateslib/dual/dualrs.py:F401

rateslib/curves.py

@@ -14,7 +14,6 @@
 from pandas.tseries.offsets import CustomBusinessDay
 from pandas.tseries.holiday import Holiday
 from uuid import uuid4
-import numpy as np
 import warnings
 import json
 from math import floor, comb
@@ -2369,8 +2368,8 @@ def __getitem__(self, date: datetime):
         # will return a composited discount factor
         if date == self.curves[0].node_dates[0]:
             return 1.0  # TODO (low:?) this is not variable but maybe should be tagged as "id0"?
-        days = (date - self.curves[0].node_dates[0]).days
-        d = _DCF1d[self.convention.upper()]
+        # days = (date - self.curves[0].node_dates[0]).days
+        # d = _DCF1d[self.convention.upper()]
 
         # method uses the step and picks the highest (cheapest rate)
         # in each period

rateslib/dual/dual.py

@@ -1,6 +1,6 @@
 from math import isclose
 from abc import abstractmethod, ABCMeta
-from typing import Union, Optional
+from typing import Optional
 from statistics import NormalDist
 import math
 import numpy as np

rateslib/instruments.py

@@ -36,10 +36,10 @@
 from pandas import DataFrame, concat, Series, MultiIndex, isna
 
 from rateslib import defaults
-from rateslib.calendars import add_tenor, get_calendar, dcf, _get_years_and_months, _DCF1d
+from rateslib.calendars import add_tenor, get_calendar, dcf, _get_years_and_months
 from rateslib.default import NoInput, plot
 
-from rateslib.curves import Curve, index_left, LineCurve, CompositeCurve, IndexCurve, average_rate
+from rateslib.curves import Curve, index_left, LineCurve, IndexCurve, average_rate
 from rateslib.solver import Solver
 from rateslib.periods import (
     Cashflow,
@@ -66,8 +66,6 @@
     Dual2,
     DualTypes,
     dual_log,
-    dual_exp,
-    dual_norm_cdf,
     gradient,
 )
 from rateslib.fx import FXForwards, FXRates, forward_fx

rateslib/periods.py

@@ -21,7 +21,7 @@
 from datetime import datetime
 from typing import Optional, Union
 import warnings
-from math import comb, log, exp, pi, sqrt
+from math import comb, log, pi, sqrt
 
 import numpy as np