diff --git a/compute_tc_fields.py b/compute_tc_fields.py
index e3f34e9..966b86c 100644
--- a/compute_tc_fields.py
+++ b/compute_tc_fields.py
@@ -1,17 +1,14 @@
-import os
+import os, sys
 import logging
 import json
-import time
 import importlib
-import math
 import netCDF4 as nc
 import numpy as np
 import datetime as dt
-#from windspharm.standard import VectorWind
-#from windspharm.tools import prep_data
 import metpy.constants as mpcon
 import metpy.calc as mpcalc
 from metpy.units import units
+
 import surgery
 import grid_calc
 
diff --git a/fcst_metrics_tc.py b/fcst_metrics_tc.py
index fc7488e..09fa781 100644
--- a/fcst_metrics_tc.py
+++ b/fcst_metrics_tc.py
@@ -1,4 +1,4 @@
-import os
+import os, sys
 import numpy as np
 import xarray as xr
 import json
diff --git a/nhc_sens.py b/nhc_sens.py
index 9deb538..bf60476 100644
--- a/nhc_sens.py
+++ b/nhc_sens.py
@@ -6,6 +6,7 @@
 import numpy as np
 import datetime as dt
 import scipy.stats
+
 from SensPlotRoutines import plotVecSens, plotScalarSens, computeSens, writeSensFile
 
 class ComputeSensitivity:
diff --git a/run_NHC_sens.py b/run_NHC_sens.py
index 3bfd7cf..11fdac3 100644
--- a/run_NHC_sens.py
+++ b/run_NHC_sens.py
@@ -16,6 +16,7 @@
 import cartopy
 import cartopy.crs as ccrs
 
+sys.path.append('../esens-util')
 import atcf_tools as atools
 import trop_cyclone as tc
 import fcst_metrics_tc as fmtc