diff --git a/plio/io/io_gpf.py b/plio/io/io_gpf.py
index c7e7e65ee0b62bba753b3a136e5deeb711c72773..4d349307dfc6e1fe4b4c9b6ef18b1ab940ac63d5 100644
--- a/plio/io/io_gpf.py
+++ b/plio/io/io_gpf.py
@@ -1,8 +1,4 @@
-<<<<<<< HEAD
-import math
-=======
->>>>>>> upstream/master
-import numpy as np
+import numpy as np
 import pandas as pd
 
 def read_gpf(input_data):
@@ -47,9 +43,7 @@ def read_gpf(input_data):
     assert int(cnt) == len(df)
 
     return df
-<<<<<<< HEAD
-=======
-
+
 def save_gpf(df, output_file):
     """
     Write a socet gpf file from a gpf-defined pandas dataframe
@@ -61,7 +55,7 @@ def save_gpf(df, output_file):
 
     output_file : str
                   path to the output data file
-    
+
     Returns
     -------
     int         : success value
@@ -74,10 +68,10 @@ def save_gpf(df, output_file):
     except:
         print ('Unable to open output gpf file: {0}'.format(output_file))
         return 1
-        
+
     #grab number of rows in pandas dataframe
     numpts = len(df)
-    
+
     #Output gpf header
     outGPF.write('GROUND POINT FILE\n')
     outGPF.write('{0}\n'.format(numpts))
@@ -89,7 +83,6 @@ def save_gpf(df, output_file):
         outGPF.write('{0}         {1}         {2}\n'.format(row['lat_y_North'], row['long_X_East'], row['ht']))
         outGPF.write('{0} {1} {2}\n'.format(row['sigma0'], row['sigma1'], row['sigma2']))
         outGPF.write('{0} {1} {2}\n\n'.format(row['res0'], row['res1'], row['res2']))
-        
+
     outGPF.close()
-    return 0
->>>>>>> upstream/master
+    return