diff --git a/py-json/realm.py b/py-json/realm.py
index e3f8fff9..621d1e5f 100755
--- a/py-json/realm.py
+++ b/py-json/realm.py
@@ -1168,24 +1168,6 @@ class L3CXProfile(BaseProfile):
             output_format = report_file.split('.')[-1]
         #retrieve compared report if specified - turn into dataframe
         if compared_report is not None:
-            compared_format = compared_report.split('.')[-1]
-            #initial dataframe
-            previous_data_df = pd.DataFrame()
-            if compared_format == 'hdf':
-                #df.to_hdf(report_file, 'table', append=True)
-                continue
-            if compared_format == 'parquet':
-                #df.to_parquet(report_file, engine='pyarrow')
-                continue
-            if compared_format == 'png':
-                #fig = df.plot().get_figure()
-                #fig.savefig(report_file)
-                continue
-            if compared_format.lower() in ['excel', 'xlsx'] or report_file.split('.')[-1] == 'xlsx':
-                continue
-            if compared_format == 'df':
-                #return df
-                continue
             supported_formats = ['csv', 'json', 'stata', 'pickle','html']
             for format in supported_formats:
                 if compared_format.lower() == format:
@@ -1237,6 +1219,7 @@ class L3CXProfile(BaseProfile):
                 self._fail("FAIL: Not all stations increased traffic")
                 self.exit_fail()
             old_cx_rx_values = new_cx_rx_values
+            #write csv file here - open, write,  and close file
             time.sleep(monitor_interval)
         print(value_map)
 
@@ -1266,7 +1249,6 @@ class L3CXProfile(BaseProfile):
         df=df[["Timestamp","Timestamp milliseconds", *header_row[:-2]]]
         #compare previous data to current data
         
-
         try:
             systeminfo = ast.literal_eval(requests.get('http://'+str(self.lfclient_host)+':'+str(self.lfclient_port)).text)
         except:
diff --git a/py-scripts/test_ipv4_variable_time.py b/py-scripts/test_ipv4_variable_time.py
index 7edc3994..8e205f65 100755
--- a/py-scripts/test_ipv4_variable_time.py
+++ b/py-scripts/test_ipv4_variable_time.py
@@ -193,9 +193,10 @@ python3 ./test_ipv4_variable_time.py
         optional_args.add_argument('--a_min', help='--a_min bps rate minimum for side_a', default=256000)
         optional_args.add_argument('--b_min', help='--b_min bps rate minimum for side_b', default=256000)
         optional_args.add_argument('--test_duration', help='--test_duration sets the duration of the test', default="2m")
-        optional_args.add_argument('--col_names', help='Columns wished to be monitor', default=['name','tx bytes', 'rx bytes','dropped'])
+        optional_args.add_argument('--col_names', help='Columns wished to be monitor',default=['name','tx bytes', 'rx bytes','dropped'])
         optional_args.add_argument('--compared_report',help='report path and file which is wished to be compared with new report', default=None)
     args = parser.parse_args()
+    #['name','tx bytes', 'rx bytes','dropped']
 
     num_sta = 2
     if (args.num_stations is not None) and (int(args.num_stations) > 0):
@@ -223,7 +224,9 @@ python3 ./test_ipv4_variable_time.py
             output=str(args.report_file).split('.')[-1]
         else:
             output=args.output_format
+
     #Retrieve last data file
+    compared_rept=None
     if args.compared_report:
         #check if last report format is same as current rpt format
         last_report_format = args.compared_report.split('.')[-1]
@@ -267,7 +270,8 @@ python3 ./test_ipv4_variable_time.py
         col_names=None
     else:
         col_names = args.col_names
-    print(col_names)
+    if args.debug:
+        print(col_names)
     ip_var_test.l3cxprofile.monitor(col_names=col_names,
                                     report_file=report_f,
                                     duration_sec=ip_var_test.local_realm.parse_time(args.test_duration).total_seconds(),