[tanken] remove unused variable

1 files changed, 0 insertions, 1 deletions

diff --git a/tanken.py b/tanken.py
index 19d65c7..303e3b3 100644
--- a/tanken.py
+++ b/tanken.py
@@ -4,7 +4,6 @@
 # cost should be given in cents
 def tanken(drives, cost, service_charge=0):
     passengers = {}
-    service_charges = {}
     distance = 0.
     drives = [d.split(' ') for d in drives]