diff --git a/pfbudget/categories.py b/pfbudget/categories.py
index 2e434c5..6619b40 100644
--- a/pfbudget/categories.py
+++ b/pfbudget/categories.py
@@ -1,4 +1,4 @@
-from datetime import date, timedelta
+from datetime import timedelta
 from re import compile as c
 
 
diff --git a/pfbudget/graph.py b/pfbudget/graph.py
index 98a71b2..caab394 100644
--- a/pfbudget/graph.py
+++ b/pfbudget/graph.py
@@ -1,4 +1,3 @@
-from dateutil.rrule import MONTHLY, YEARLY
 import matplotlib.pyplot as plt
 
 from .categories import (
@@ -8,13 +7,7 @@ from .categories import (
     get_health_expenses,
     get_discretionary_expenses,
 )
-from .transactions import (
-    load_transactions,
-    daterange,
-    by_category,
-    by_month,
-    by_month_and_category,
-)
+from .transactions import load_transactions, daterange, by_month_and_category
 
 
 def monthly(state, start, end):
diff --git a/pfbudget/parsers.py b/pfbudget/parsers.py
index 1f4665b..a7b08d7 100644
--- a/pfbudget/parsers.py
+++ b/pfbudget/parsers.py
@@ -1,5 +1,5 @@
 from datetime import datetime
-from decimal import Decimal, InvalidOperation
+from decimal import Decimal
 from pathlib import Path
 
 from .transactions import Transaction
diff --git a/pfbudget/report.py b/pfbudget/report.py
index ef6ed2c..bc4f903 100644
--- a/pfbudget/report.py
+++ b/pfbudget/report.py
@@ -5,14 +5,7 @@ from .categories import (
     get_health_expenses,
     get_discretionary_expenses,
 )
-from .transactions import (
-    load_transactions,
-    daterange,
-    by_category,
-    by_month,
-    by_month_and_category,
-    by_year_and_category,
-)
+from .transactions import load_transactions, by_year_and_category
 
 
 def net(state, start=None, end=None):
diff --git a/pfbudget/runnable.py b/pfbudget/runnable.py
index df74827..8add129 100644
--- a/pfbudget/runnable.py
+++ b/pfbudget/runnable.py
@@ -2,7 +2,7 @@ from pathlib import Path
 import argparse
 import datetime as dt
 
-from .graph import average, discrete, monthly
+from .graph import discrete, monthly
 from .state import pfstate
 from .transactions import load_transactions, save_transactions
 from . import report
@@ -63,7 +63,7 @@ def get_argparser():
         "start", type=str, nargs=1, help="new vacation start date"
     )
     p_vacation_add.add_argument("end", type=str, nargs=1, help="new vacation end date")
-    p_vacation_list = subparser_vacation.add_parser("list", help="list help")
+    _ = subparser_vacation.add_parser("list", help="list help")
     p_vacation_remove = subparser_vacation.add_parser("remove", help="remove help")
     p_vacation_remove.add_argument(
         "pos", help="position of vacation to remove", type=int, nargs=1
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..6deafc2
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 120